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Ringkasan

Perlesenan

Keterangan Indian physicist J.C. Bose (seen here) at the University of Calcutta, flared out the end of a waveguide, demonstrating the horn antenna
Tarikh
Sumber Acharya Jagadis Chandra Bose, Birth Centenary
Pengarang The Birth Centenary Committee, printed by P.C. Ray

Perlesenan

Public domain
This work is in the public domain in India because its term of copyright has expired.

The Indian Copyright Act applies in India to works first published in India. According to the Indian Copyright Act, 1957, as amended up to Act No. 27 of 2012 (Chapter V, Section 25):

  • Anonymous works, photographs, cinematographic works, sound recordings, government works, and works of corporate authorship or of international organizations enter the public domain 60 years after the date on which they were first published, counted from the beginning of the following calendar year (i.e. as of 2024, works published prior to 1 January 1964 are considered public domain).
  • Posthumous works (other than those above) enter the public domain after 60 years from publication date, counted from the beginning of the following calendar year.
  • Any kind of work other than the above enters the public domain 60 years after the author's death (or in the case of a multi-author work, the death of the last surviving author), counted from the beginning of the following calendar year.
  • Text of laws, judicial opinions, and other government reports are free from copyright.
The Indian Copyright Act, 1957 is not retroactive, so any work in which copyright did not subsist when it commenced did not have its copyright restored, and is in the public domain per the Copyright Act 1911.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
 Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 60 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, and Switzerland and the United States are 70 years.

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Public domain
This work was first published in Bangladesh and is now in the public domain because its copyright protection has expired by virtue of the Copyright Act, enacted 2000 (details). The work meets one of the following criteria:
  • It is an anonymous, pseudonymous or posthumous work and 60 years have passed since the year of its publication
  • It is a photographic or cinematographic work and 60 years have passed since the year of its publication
  • It is a government work or a work of an international organisation and 60 years have passed since the year of its publication
  • It is a literary, dramatic, musical or artistic work and 60 years have passed since the year of death of the author (or last-surviving author)
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
 Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 60 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, and Switzerland and the United States are 70 years.

বাংলা | English | +/−

Public domain

This work is in the public domain in the United States because it meets three requirements:

  1. it was first published outside the United States (and not published in the U.S. within 30 days),
  2. it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
  3. it was in the public domain in its home country on the URAA date (January 1, 1996 for most countries).
For background information, see the explanations on Non-U.S. copyrights.
Note: This tag should not be used for sound recordings.

VI seal
Gambar bernilai

Imej ini telah dinilai berdasarkan kriteria imej bernilai dan ia dianggap sebagai imej paling bernilai di Commons dalam ruang lingkup: Jagadish Chandra Bose. Anda boleh melihat pencalonannya di Commons:Valued image candidates/J.C.Bose.JPG.

This image was selected as picture of the day on Bengali Wikipedia.

Captions

Add a one-line explanation of what this file represents
Jagadish Chandra Bose in the Royal Institution, London, 1897

Items portrayed in this file

menggambarkan

Jagadish Chandra Bose

tarikh penubuhan

November 1958

saiz data

232,296 bait

tinggi

1,268 piksel

lebar

800 piksel

media type Inggeris

image/jpeg

hasil tambah semak

e53d70897e66f4a2c9ee1bd38e277214a31c47d9

kaedah penentuan: SHA-1

Sejarah fail

Klik pada tarikh/waktu untuk melihat rupa fail tersebut pada waktu itu.

Tarikh/WaktuGambar kenitUkuranPenggunaKomen
semasa19:11, 28 Disember 2014Gambar kenit bagi versi pada 19:11, 28 Disember 2014800 × 1,268 (227 KB)Arr4HR
09:50, 17 Februari 2007Gambar kenit bagi versi pada 09:50, 17 Februari 2007523 × 415 (34 KB)Bilou~commonswikibetter version from fr:
19:12, 11 April 2006Gambar kenit bagi versi pada 19:12, 11 April 2006303 × 242 (14 KB)Bellayetcategory:Bangladesh

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