Difference between revisions of "Patent for Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems (Q38982)"
From CanonBase
(Created claim: Field (P19): sound, music and amplification (Q54)) | (Created claim: mentions (P78): stereo sound (Q38983)) | ||||||||||||||
| (6 intermediate revisions by the same user not shown) | |||||||||||||||
| Property / mentions | |||||||||||||||
| + | |||||||||||||||
| Property / mentions: pickup element / rank | |||||||||||||||
| + | Normal rank | ||||||||||||||
| Property / mentions | |||||||||||||||
| + | |||||||||||||||
| Property / mentions: stereo sound / rank | |||||||||||||||
| + | Normal rank | ||||||||||||||
| Property / author | |||||||||||||||
| + | |||||||||||||||
| Property / author: Alen Blumlein / rank | |||||||||||||||
| + | Normal rank | ||||||||||||||
| Property / Copy available online | |||||||||||||||
| + | |||||||||||||||
| Property / Copy available online: https://worldwide.espacenet.com/patent/search/family/010368359/publication/GB394325A?q=pn%3DGB394325A / rank | |||||||||||||||
| + | Normal rank | ||||||||||||||
| Property / Publication date | |||||||||||||||
| + | 14 June 1933
| ||||||||||||||
| Property / Publication date: 14 June 1933 / rank | |||||||||||||||
| + | Normal rank | ||||||||||||||
Latest revision as of 09:48, 2 July 2025
patent for stereo concept and sterio (record) recording
- GB394325A
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems | patent for stereo concept and sterio (record) recording |
|
Statements
14 June 1933
0 references