Siapakah penemu televisi? Di antara beberapa ilmuwan, John Logie Baird dan Philo Farnsworth termasuk yang dianggap paling berjasa dalam perkembangan penemuan TV.
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Dari gambar hitam putih, televisi tabung, hingga smart TV, begitulah kira-kira perkembangan televisi secara umum. Kalau tidak dimulai dari satu titik penemuan televisi, mana mungkin kita dapat menikmati acara favorit di layar besar itu? Jauh sebelum adanya layanan streaming, televisi telah menjadi teman bagi banyak masyarakat Indonesia.
“Kepada siapa kita mesti berterima kasih, sih? Televisi ditemukan pertama kali oleh siapa? Kapan televisi ditemukan?” Sabaaar. Satu, satu, pertanyaannya kita jawab di bawah ini, ya.
Sebelum itu, rasanya kita perlu tahu pengertian televisi itu sendiri, nih. Berdasarkan KBBI, televisi adalah suatu sistem penyiaran gambar yang mengubah gambar atau bunyi menjadi gelombang listrik, lalu diubah kembali menjadi cahaya atau gambar dengan bunyi yang dapat didengar.
Baca Juga: Orang Tua Perlu Tahu, Ini 7 Bahaya Televisi di Kamar Anak!
Televisi cembung dengan tampilan gambar monokrom (Sumber: unsplash.com oleh Bruna Araujo)
Ilmuwan Penemu Televisi
Perkembangan mengenai penemuan televisi cukup panjang, sih, jujur, guys. ‘Televisi’ sebenarnya gabungan dari dua kata, yaitu tele yang berarti jauh, dan vision yang dapat diartikan dengan penglihatan.
Penemuan televisi merupakan sambungan dari perkembangan teknologi dan ilmu pengetahuan kala itu. Dari ditemukannya gelombang elektromagnetik, penemuan radio, dan tabung sinar katoda sampai pada televisi berwarna. Dari sederet nama ilmuwan yang berjasa, sejarah penemu televisi sering kali dikaitkan dengan dua nama John Logie Baird dan Philo Farnsworth.
Transmitter televisi buatan John Baird (Sumber: britannica.com)
Lahir di Skotlandia, pada 13 Agustus 1888, John Logie Baird adalah orang pertama yang memperkenalkan konsep ‘objek atau gambar bergerak’. Konsep ini adalah cikal bakal dari cara kerja televisi. Baird menggunakan Nipkow disc, yang merupakan cakram besar dengan beberapa lubang mengitarinya. Cakram ini merupakan hasil penelitian dari ilmuwan Jerman, Paul Nipkow.
Ilustrasi cara kerja televisi mekanik oleh John Baird (Sumber: laits.utexas.edu)
Ketika cakram berputar, sorotan cahaya akan mengenai objek statis melalui lubang cakram. Cahaya tadi mengenai sensor khusus yang juga berperan menangkap pola perputaran cakram. Selanjutnya, pemancar akan mengirimkan sinyal listrik dalam gelombang radio ke receiver *di masa ini, kita mengenalnya dengan ‘pesawat penerima’.
Penemuan tersebut didemonstrasikan untuk pertama kali pada tahun 1926 di Royal Institution, London, Inggris. Sayangnya, konsep televisi mekanik dari Baird ini masih jauh dari sempurna. Gambar yang dihasilkan sangat sederhana dan terlihat buram dan berbayang.
Baca Juga: Ini Lho Sejarah Musik Dunia dan Perkembangannya dari Masa ke Masa
Pada 1928, Baird melakukan eksperimen tentang stereoscopic television. Perbedaan dengan penelitian sebelumnya terlihat pada kontras gambar yang dihasilkan, sehingga objek dan warnanya terlihat lebih mendekati wujud asli. Dari sini, dapat diketahui bahwa penemu televisi mekanik pertama adalah John Logie Baird.
Perangkat televisi hasil eksperimen Philo Fransworth (Sumber: britannica.com)
Selanjutnya, ilmuwan yang juga dikaitkan dengan tokoh penemu televisi adalah Philo Farnsworth. Sejak umur 6 tahun, Farnsworth sudah mempelajari hasil penelitian dari para ilmuwan dunia, seperti Einstein, Thomas Alva Edison, dan Alexander Graham Bell. Lahir di Amerika Serikat pada 19 Agustus 1906, Farnsworth merupakan ilmuwan yang berjasa terhadap perkembangan televisi elektronik.
Sebelum eksperimen Farnsworth berhasil, ada dua ilmuwan lain yang turut berdedikasi atas perkembangan penemuan televisi. Boris Rosing dan Alan Archibald Campbell-Swinton berhasil mengembangkan tabung sinar katoda sebagai pengganti cakram milik Nipkow.
Di usianya yang menginjak 21 tahun, Farnsworth berhasil mengembangkan eksperimennya yang disebut sebagai image dissector. Alat ini berbentuk tabung kaca bening yang dibuat secara khusus. Di dalamnya, ada tabung lagi, nih, gengs. Bedanya, tabung ini dilapisi oleh sesium oksida yang dapat memancarkan elektron ketika terkena cahaya. Cara kerjanya mirip seperti cermin yang memantulkan refleksi objek.
Baca Juga: Benarkah Guglielmo Marconi Penemu Radio yang Sebenarnya?
Secara umum, tabung image dissector milik Farnsworth bekerja cukup baik. Hanya saja, kekurangannya, ia membutuhkan banyak cahaya untuk menangkap bentuk objek. Di sisi lain, ketika Farnsworth mengembangkan tabung ini, ada juga ilmuwan bernama Vladimir Zworykin yang memiliki alat serupa, iconoscope.
Pada 1932, ada konflik antara Farnsworth dan Zworykin mengenai paten ‘siapa penemu televisi sebenarnya’. Hasil dari konflik ini diputuskan oleh pengadilan bahwa perusahaan tempat Zworykin bekerja, Radio Corporation of America (RCA), perlu membayar royalti kepada pihak Farnsworth, sebagai pemenang atas hak paten sistem televisi elektronik ini.
Perkembangan Televisi
Seperti yang telah dijelaskan di atas, perkembangan televisi dimulai dari adanya televisi mekanik milik Baird, lalu televisi elektronik hasil eksperimen Farnsworth. Selanjutnya, TV yang bermula dari warna monokrom berkembang menjadi warna warni, sesuai objek asli. Bentuk televisi yang semula serupa tabung, semakin tipis saja, nih. Sekarang, TV tidak hanya dapat menayangkan siaran melalui satelit, tapi juga kamu dapat menikmati layanan TV kabel.
Suka heran nggak, sih, kenapa ilmuwan-ilmuwan hebat ini bisa menemukan banyak hal yang mengagumkan? Berguna buat banyak orang? Satu hal yang pasti, guys, mereka tidak pernah lelah untuk belajar.
Nah, biar tidak tersesat saat gatau jawaban dari tugas sekolahmu, tanya langsung di Ruangguru Privat, saja, ya! Kamu akan belajar bareng tutor yang sudah terstandarisasi kualitasnya, lho! Bukan hanya itu aja, kamu juga bebas pilih mau belajar offline ataupun online. Seru banget kan? Yuk klik banner di bawah untuk informasi lebih lanjut!
Referensi:
Fink, Donald G. Television. Britannica [daring]. Tautan: https://www.britannica.com/technology/television-technology (Diakses 25 September 2021)
Gregersen Erik. Philo Farnsworth. Britannica [daring]. Tautan: https://www.britannica.com/biography/Philo-Farnsworth (Diakses 25 September 2021)
The Editors of Encyclopaedia Britannica. John Logie Baird. Britannica [daring]. https://www.britannica.com/biography/John-Logie-Baird (Diakses 25 September 2021)
Schwartz, Evan I. Who Really Invented Television? MIT Technology Review [daring]. https://www.technologyreview.com/2000/09/01/236187/who-really-invented-television/ (Diakses 26 September 2021)
Tiltman, R.F. How “Stereoscopic” Television is Shown. Radio News – Baird Television [daring]. https://www.bairdtelevision.com/stereo.html (Diakses 26 September 2021)
Sri Waluyanti, dkk. Bab 6: Sistem Penerima Televisi. Direktorat Pembinaan SMK (2008) [daring]. Tautan: http://staffnew.uny.ac.id/upload/131635621/pendidikan/BAB+VI+SISTEM+PENERIMA+TELEVISI.pdf (Diakses 26 September 2021)
Edwards, Phil. The mechanical television debuted 90 years ago. Its inventor was nuts. VOX [daring]. Tautan: https://www.vox.com/2015/3/25/8285977/mechanical-television (Diakses 26 September 2021)
Farnsworth’s Image Dissector. Engineering and Technology History Wiki [daring]. Tautan: https://ethw.org/Farnsworth%27s_Image_Dissector (Diakses 26 September 2021)
Pruitt, Sarah. Who Invented Television? History [daring]. Tautan: https://www.history.com/news/who-invented-television (Diakses 26 September 2021)
Sumber foto:
Evolution of Television. Tautan: https://www.laits.utexas.edu/~anorman/long.extra/Student.F98/HDTV/tvs.html (Diakses 26 September 2021)
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<h1 class="content-title">
Siapa Tokoh Penemu Televisi? John Logie Baird atau Philo Farnsworth? </h1>
<div class="content-meta">
<p class="content-author"><a href="https://www.ruangguru.com/blog/author/anggraeni-puspitasari" class="">Anggraeni Puspitasari</a> </p>
<p class="content-info"><span>November 21, 2024 • </span> <span>6 minutes read</span></p>
<br />
</div>
<div class="content-body">
<p><img decoding="async" class="aligncenter size-medium" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/dd8c3f65-ebee-4983-b9f3-760d5515ac99.png" alt="Tokoh Penemu Televisi" /></p>
<blockquote>
<p style="font-size: 16px; text-align: center;"><em>Siapakah penemu televisi? Di antara beberapa ilmuwan, John Logie Baird dan Philo Farnsworth termasuk yang dianggap paling berjasa dalam perkembangan penemuan TV.</em></p>
</blockquote>
<p style="text-align: center;">—</p>
<p> </p>
<p style="text-align: justify;">Dari gambar hitam putih, televisi tabung, hingga <em>smart </em>TV, begitulah kira-kira perkembangan televisi secara umum. Kalau tidak dimulai dari satu titik penemuan televisi, mana mungkin kita dapat menikmati acara favorit di layar besar itu? Jauh sebelum adanya layanan <em>streaming</em>, televisi telah menjadi teman bagi banyak masyarakat Indonesia.</p>
<p style="text-align: justify;">“<em>Kepada siapa kita mesti berterima kasih, sih</em>?<em> Televisi ditemukan pertama kali oleh siapa</em>?<em> Kapan televisi ditemukan</em>?” Sabaaar. Satu, satu, pertanyaannya kita jawab di bawah ini, ya.</p>
<p style="text-align: justify;">Sebelum itu, rasanya kita perlu tahu pengertian televisi itu sendiri, <em>nih</em>. Berdasarkan KBBI, televisi adalah suatu sistem penyiaran gambar yang mengubah gambar atau bunyi menjadi gelombang listrik, lalu diubah kembali menjadi cahaya atau gambar dengan bunyi yang dapat didengar.</p>
<p><strong>Baca Juga: <a href="/blog/7-bahaya-televisi-di-kamar-anak" target="_blank" rel="noopener">Orang Tua Perlu Tahu, Ini 7 Bahaya Televisi di Kamar Anak!</a></strong></p>
<p style="text-align: center;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/televisi%20mekanik%20ditemukan%20oleh%20John%20Logie%20Baird.jpg" alt="televisi mekanik ditemukan oleh John Logie Baird" width="600" /></p>
<p style="text-align: center;"><em>Televisi cembung dengan tampilan gambar monokrom </em><em>(Sumber: unsplash.com oleh Bruna Araujo)</em></p>
<p> </p>
<h2><span style="font-size: 18pt;">Ilmuwan Penemu Televisi</span></h2>
<p style="text-align: justify;">Perkembangan mengenai penemuan televisi cukup panjang, <em>sih</em>, jujur, <em>guys</em>. ‘Televisi’ sebenarnya gabungan dari dua kata, yaitu <em>tele </em>yang berarti jauh, dan <em>vision </em>yang dapat diartikan dengan penglihatan.</p>
<p style="text-align: justify;">Penemuan televisi merupakan sambungan dari perkembangan teknologi dan ilmu pengetahuan kala itu. Dari ditemukannya <a style="font-weight: bold;" href="/blog/konsep-gelombang-elektromagnetik" target="_blank" rel="noopener">gelombang elektromagnetik</a>, penemuan radio, dan tabung sinar katoda sampai pada televisi berwarna. Dari sederet nama ilmuwan yang berjasa, sejarah penemu televisi sering kali dikaitkan dengan dua nama John Logie Baird dan Philo Farnsworth.</p>
<p> </p>
<ul>
<li>
<h3><span style="font-size: 14pt;">John Logie Baird</span></h3>
</li>
</ul>
<p style="text-align: center;"><span style="color: #2eb5c0;"><strong><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/john%20logie%20baird.jpeg" alt="john logie baird" width="600" /></strong></span></p>
<p style="text-align: center;"><em>Transmitter televisi buatan John Baird (Sumber: britannica.com)</em></p>
<p> </p>
<p style="text-align: justify;">Lahir di Skotlandia, pada 13 Agustus 1888, John Logie Baird adalah orang pertama yang memperkenalkan konsep ‘objek atau gambar bergerak’. Konsep ini adalah cikal bakal dari cara kerja televisi. Baird menggunakan <em>Nipkow disc</em>, yang merupakan cakram besar dengan beberapa lubang mengitarinya. Cakram ini merupakan hasil penelitian dari ilmuwan Jerman, Paul Nipkow.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/penemu%20televisi%20mekanik%20pertama%20adalah%20adalah%20john%20baird.gif" alt="penemu televisi mekanik pertama adalah adalah john baird" width="600" /></p>
<p style="text-align: center;"><em>Ilustrasi cara kerja televisi mekanik oleh John Baird (Sumber: laits.utexas.edu)</em></p>
<p> </p>
<p style="text-align: justify;">Ketika cakram berputar, sorotan cahaya akan mengenai objek statis melalui lubang cakram. Cahaya tadi mengenai sensor khusus yang juga berperan menangkap pola perputaran cakram. Selanjutnya, pemancar akan mengirimkan sinyal listrik dalam gelombang radio ke <em>receiver</em> *di masa ini, kita mengenalnya dengan ‘pesawat penerima’.</p>
<p style="text-align: justify;">Penemuan tersebut didemonstrasikan untuk pertama kali pada tahun 1926 di Royal Institution, London, Inggris. Sayangnya, konsep televisi mekanik dari Baird ini masih jauh dari sempurna. Gambar yang dihasilkan sangat sederhana dan terlihat buram dan berbayang.</p>
<p style="text-align: justify; font-weight: bold;">Baca Juga: <a href="/blog/ini-lho-sejarah-musik-dan-perkembangannya" target="_blank" rel="noopener">Ini Lho Sejarah Musik Dunia dan Perkembangannya dari Masa ke Masa</a></p>
<p style="text-align: justify;">Pada 1928, Baird melakukan eksperimen tentang <em>stereoscopic television</em>. Perbedaan dengan penelitian sebelumnya terlihat pada kontras gambar yang dihasilkan, sehingga objek dan warnanya terlihat lebih mendekati wujud asli. Dari sini, dapat diketahui bahwa <strong>penemu televisi mekanik pertama adalah John Logie Baird.</strong></p>
<p> </p>
<ul>
<li>
<h3><span style="font-size: 14pt;">Philo Farnsworth</span></h3>
</li>
</ul>
<p style="font-size: 16px; text-align: center;"><span style="color: #2eb5c0;"><strong><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/philo%20transworth%20penemu%20televisi%20elektronik.jpeg" alt="philo fransworth penemu televisi elektronik" width="600" /></strong></span></p>
<p style="text-align: center;"><em>Perangkat televisi hasil eksperimen Philo Fransworth (Sumber: britannica.com)</em></p>
<p> </p>
<p style="text-align: justify;">Selanjutnya, ilmuwan yang juga dikaitkan dengan tokoh penemu televisi adalah Philo Farnsworth. Sejak umur 6 tahun, Farnsworth sudah mempelajari hasil penelitian dari para ilmuwan dunia, seperti Einstein, Thomas Alva Edison, dan Alexander Graham Bell. Lahir di Amerika Serikat pada 19 Agustus 1906, Farnsworth merupakan ilmuwan yang berjasa terhadap perkembangan televisi elektronik.</p>
<p style="text-align: justify;">Sebelum eksperimen Farnsworth berhasil, ada dua ilmuwan lain yang turut berdedikasi atas perkembangan penemuan televisi. Boris Rosing dan Alan Archibald Campbell-Swinton berhasil mengembangkan tabung sinar katoda sebagai pengganti cakram milik Nipkow.</p>
<p style="text-align: justify;">Di usianya yang menginjak 21 tahun, Farnsworth berhasil mengembangkan eksperimennya yang disebut sebagai <em>image dissector</em>. Alat ini berbentuk tabung kaca bening yang dibuat secara khusus. Di dalamnya, ada tabung lagi, <em>nih</em>, <em>gengs</em>. Bedanya, tabung ini dilapisi oleh sesium oksida yang dapat memancarkan elektron ketika terkena cahaya. Cara kerjanya mirip seperti cermin yang memantulkan refleksi objek.</p>
<p style="text-align: justify; font-weight: bold;">Baca Juga: <a href="/blog/penemu-radio" target="_blank" rel="noopener">Benarkah Guglielmo Marconi Penemu Radio yang Sebenarnya?</a></p>
<p style="text-align: justify;">Secara umum, tabung<em> image dissector </em>milik Farnsworth bekerja cukup baik. Hanya saja, kekurangannya, ia membutuhkan banyak cahaya untuk menangkap bentuk objek. Di sisi lain, ketika Farnsworth mengembangkan tabung ini, ada juga ilmuwan bernama<strong> Vladimir Zworykin</strong> yang memiliki alat serupa, <em>iconoscope</em>.</p>
<p style="text-align: justify;">Pada 1932, ada konflik antara Farnsworth dan Zworykin mengenai paten ‘siapa penemu televisi sebenarnya’. Hasil dari konflik ini diputuskan oleh pengadilan bahwa perusahaan tempat Zworykin bekerja, Radio Corporation of America (RCA), perlu membayar royalti kepada pihak<strong> Farnsworth</strong>, sebagai <strong>pemenang atas hak paten sistem televisi elektronik ini</strong>.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Perkembangan Televisi</span></h2>
<p style="text-align: justify;">Seperti yang telah dijelaskan di atas, perkembangan televisi dimulai dari adanya televisi mekanik milik Baird, lalu televisi elektronik hasil eksperimen Farnsworth. Selanjutnya, <em>TV </em>yang bermula dari warna monokrom berkembang menjadi warna warni, sesuai objek asli. Bentuk televisi yang semula serupa tabung, semakin tipis saja, <em>nih</em>. Sekarang, <em>TV </em>tidak hanya dapat menayangkan siaran melalui satelit, tapi juga kamu dapat menikmati layanan <em>TV </em>kabel.</p>
<p style="text-align: justify;">Suka heran <em>nggak</em>, <em>sih</em>, kenapa ilmuwan-ilmuwan hebat ini bisa menemukan banyak hal yang mengagumkan? Berguna buat banyak orang? Satu hal yang pasti, <em>guys</em>, mereka tidak pernah lelah untuk belajar.</p>
<p style="text-align: justify;"><em>Nah</em>, biar tidak tersesat saat <em>gatau </em>jawaban dari tugas sekolahmu, tanya langsung di <a href="https://www.ruangguru.com/privat" target="_blank" rel="noopener"><strong>R</strong><span style="font-weight: bold;">uangguru Privat</span></a>, saja, ya! Kamu akan belajar bareng tutor yang sudah terstandarisasi kualitasnya, <em>lho</em>! Bukan hanya itu aja, kamu juga bebas pilih mau belajar <em>offline </em>ataupun <em>online</em>. Seru banget kan? Yuk klik <em>banner </em>di bawah untuk informasi lebih lanjut!</p>
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<p style="text-align: justify;"><strong>Referensi</strong>:</p>
<p style="text-align: left;">Fink, Donald G. Television. Britannica [daring]. Tautan: https://www.britannica.com/technology/television-technology (Diakses 25 September 2021)</p>
<p style="text-align: left;">Gregersen Erik. Philo Farnsworth. Britannica [daring]. Tautan: https://www.britannica.com/biography/Philo-Farnsworth (Diakses 25 September 2021)</p>
<p style="text-align: left;">The Editors of Encyclopaedia Britannica. John Logie Baird. Britannica [daring]. https://www.britannica.com/biography/John-Logie-Baird (Diakses 25 September 2021)</p>
<p style="text-align: left;">Schwartz, Evan I. Who Really Invented Television? MIT Technology Review [daring]. https://www.technologyreview.com/2000/09/01/236187/who-really-invented-television/ (Diakses 26 September 2021)</p>
<p style="text-align: left;">Tiltman, R.F. How “Stereoscopic” Television is Shown. Radio News – Baird Television [daring]. https://www.bairdtelevision.com/stereo.html (Diakses 26 September 2021)</p>
<p style="text-align: left;">Sri Waluyanti, dkk. Bab 6: Sistem Penerima Televisi. Direktorat Pembinaan SMK (2008) [daring]. Tautan: http://staffnew.uny.ac.id/upload/131635621/pendidikan/BAB+VI+SISTEM+PENERIMA+TELEVISI.pdf (Diakses 26 September 2021)</p>
<p style="text-align: left;">Edwards, Phil. The mechanical television debuted 90 years ago. Its inventor was nuts. VOX [daring]. Tautan: https://www.vox.com/2015/3/25/8285977/mechanical-television (Diakses 26 September 2021)</p>
<p style="text-align: left;">Farnsworth’s Image Dissector. Engineering and Technology History Wiki [daring]. Tautan: https://ethw.org/Farnsworth%27s_Image_Dissector (Diakses 26 September 2021)</p>
<p style="text-align: left;">Pruitt, Sarah. Who Invented Television? History [daring]. Tautan: https://www.history.com/news/who-invented-television (Diakses 26 September 2021)</p>
<p style="text-align: left;"><span style="font-weight: bold;">Sumber foto</span>:</p>
<p style="text-align: left;">Evolution of Television. Tautan: https://www.laits.utexas.edu/~anorman/long.extra/Student.F98/HDTV/tvs.html (Diakses 26 September 2021)</p>
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<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/facebook.png" loading="lazy" alt="Logo Facebook Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/twitter.png" loading=" lazy" alt="Logo Twitter Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.youtube.com/ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/youtube.png" loading=" lazy" alt="Logo Youtube Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.linkedin.com/company/ruangguru-com">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
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</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>