|
*U.S. Patent No. 3,720,796
, 03/13/1973 (app: 08/04/1971 - serial: 169,039) MULTICHANNEL PICKUP CARTRIDGE (class: 369/139; 369/161 - international: H04r 11/12) Honma, Kimiyasu of Tokyo, Japan (assignee: Kabushiki Kaisha Audio-Technica of Tokyo, Japan) [DjVu150KB]
*U.S. Patent No. 3,761,647
, 09/25/1973 (app: 08/13/1969 - serial: 849,767) CARTRIDGE FOR DETECTING VIBRATIONS REPRESENTING STEREOPHONIC SOUND (class: 179/100.41 K, 274/37 - international: H04r 11/12) Nemoto, Mitsuo of Tokyo, Japan and Honma, Kimiyasu of Tokyo, Japan (assignee: Kabushiki Kaisha Audio-Technica of Tokyo, Japan) [DjVu188KB]
NOTE: The following patents were issued after 1975 and were quite easily found. If anyone has a list of pre 1975 patent numbers to share for Audio-Technica, a great deal of time searching for them could be saved.
U.S. Patent No. 3,983,335, 09/28/1976 (app: 10/23/1974, serial: 517,044) STYLUS ASSEMBLY AND TRANSDUCER USING SAME (class: 369/136; 369/149; 369/170 - international: H04R 011/12) Nemoto, Mitsuo of Machida, Japan (assignee: Kabushiki Kaisha Audio-Technica of Machida, Japan) [Pt-Txt40KB] [DjVu64KB*]
U.S. Patent No. 4,075,418, 02/21/1978 (app: 05/23/1975 - serial: 580,159) STEREOPHONIC PICKUP CARTRIDGE (class: 369/139; 369/147; 369/170 - international: H04R 011/12) Nemoto, Mitsuo of Machida, Japan and Honma, Kimiyasu of Kokubunji, Japan (assignee: Kabushiki Kaisha Audio-Technica of Machida, Japan) [Pt-Txt60KB] [DjVu151KB*]
U.S. Patent No. 4,124,783, 11/07/1978 (app: 03/31/1977 - serial: 783,403) PHONOGRAPHIC PICKUP (class: 369/139 - international: H04R 009/16) Nemoto, Mitsuo of Machida, Japan (assignee: Kabushiki Kaisha Audio-Technica of Tokyo, Japan) [Pt-Txt40KB] [DjVu73KB*]
U.S. Patent No. 4,364,120
, 12/14/1982 (app. 09/24/1979, serial 078136) PICKUP CARTRIDGE OF MOVING COIL TYPE FOR PHONOGRAPH (class: 369/138; 369/147 international: H04R 009/04; H04R 009/16) Honma, Kimiyasu of Machida, Japan (assignee: Kabushiki Kaisha Audio-Technica of Tokyo, Japan) [PtTxt40KB] [DjVu*110KB]
4,434,484 Stabilizer for record discs
4,571,717 Adapter for a plug-in cartridge
4,691,349 Duplex microphone communication system
4,757,546 Narrow directional microphone
4,789,044 Narrow directional microphone
4,888,807 Variable pattern microphone system
5,148,492 Diaphragm of dynamic microphone
5,255,328 Dynamic microphone
5,459,792 Audio input circuit for voice recognition
5,940,520 Power circuit for condenser microphone
6,018,585 Waterproof microphone
6,081,604 Electric sound converter
6,091,828 Dynamic microphone
6,128,393 Microphone with shock-resistant means
6,130,952 Microphone
6,154,554 Microphone
6,188,773 Waterproof type microphone
6,226,386 Microphone
6,352,020 Apparatus for producing a vinegared rice rolled in dried laver (Norimaki), or other roll foodstuff
6,453,048 Impedance converter for a condenser microphone
D278,811 Loud speaker
D279,775 Record disc player system or similar article
|
