File:Yagi_TV_antenna_1954.png
From Wikipedia, the free encyclopedia
Yagi_TV_antenna_1954.png (433 × 302 pixels, file size: 6 KB, MIME type: image/png)
This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
DescriptionYagi TV antenna 1954.png |
English: A television antenna from a 1954 advertisement by the Radiart Corp., Cleveland, Ohio. It is a Yagi-Uda antenna for use on the 'low band' analog channels 2-4, 47 - 68 MHz. It has three director elements (crossbars on left) and one reflector (crossbar on right), and it's direction of greatest sensitivity (main lobe) is of the end of the antenna to the left. The driven element is a folded dipole to match the 300 ohm twin lead feedline to the TV set. The antenna is made of aluminum tubing, the elements are roughly 6 feet across. Changes to image: Cropped out advertising copy and adjacent intruding images, redrew minor areas in image that were smudged through poor copying. |
Date | |
Source | Retrieved September 11, 2014 from Tele-Tech magazine, published by Caldwell-Clements Inc., New York, Vol. 13, No. 3, March 1954, p. 36 on American Radio History website |
Author | Unknown authorUnknown author |
Permission (Reusing this file) |
This image is from an advertisement for the Radiart Corp. without a copyright notice published in a 1954 magazine. In the United States, advertisements published in collective works (magazines and newspapers) are not covered by the copyright notice for the entire collective work. (See U.S. Copyright Office Circular 3, "Copyright Notice", page 3, "Contributions to Collective Works".) Since the advertisement was published before 1978 without a copyright notice, it falls into the public domain. |
Licensing
Public domainPublic domainfalsefalse |
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
العربية ∙ беларуская (тарашкевіца) ∙ čeština ∙ Deutsch ∙ Ελληνικά ∙ English ∙ español ∙ français ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ Nederlands ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ ไทย ∙ Tiếng Việt ∙ 中文(简体) ∙ 中文(繁體) ∙ +/− |
Items portrayed in this file
depicts
March 1954
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 18:25, 12 September 2014 | 433 × 302 (6 KB) | Chetvorno | User created page with UploadWizard |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on ar.wikipedia.org
- Usage on fa.wikipedia.org
- Usage on hr.wikipedia.org
- Usage on la.wikipedia.org
- Usage on mk.wikipedia.org
- Usage on ro.wikipedia.org
- Usage on si.wikipedia.org
- Usage on sr.wikipedia.org
- Usage on th.wikipedia.org
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
PNG file comment |
|
---|---|
Horizontal resolution | 28.35 dpc |
Vertical resolution | 28.35 dpc |
File change date and time | 11:26, 11 September 2014 |
Retrieved from "https://en.wikipedia.org/wiki/File:Yagi_TV_antenna_1954.png"