| 54 |
Title |
TI |
[DE] Vorrichtung zur Wiedergabe photographisch aufgenommener Laute auf optisch-elektrischem Wege |
| 71/73 |
Applicant/owner |
PA |
JOSEPH ENGL DR
;
JOSEPH MASSOLLE
;
VOGT HANS
|
| 72 |
Inventor |
IN |
|
| 22/96 |
Application date |
AD |
Dec 23, 1919 |
| 21 |
Application number |
AN |
|
|
Country of application |
AC |
DE |
|
Publication date |
PUB |
Mar 24, 1922 |
33
31
32 |
Priority data |
PRC
PRN
PRD |
DE
null
19191223
|
| 51 |
IPC main class |
ICM |
|
| 51 |
IPC secondary class |
ICS |
|
|
IPC additional class |
ICA |
|
|
IPC index class |
ICI |
|
|
Cooperative patent classification |
CPC |
G03C 5/14
G11B 7/00
|
|
MCD main class |
MCM |
|
|
MCD secondary class |
MCS |
G03C 5/14
(2006.01)
G11B 7/00
(2006.01)
|
|
MCD additional class |
MCA |
|
| 57 |
Abstract |
AB |
|
| 56 |
Cited documents identified in the search |
CT |
|
| 56 |
Cited documents indicated by the applicant |
CT |
|
| 56 |
Cited non-patent literature identified in the search |
CTNP |
|
| 56 |
Cited non-patent literature indicated by the applicant |
CTNP |
|
|
Citing documents |
|
No results
|
|
Sequence listings |
|
|
|
Search file IPC |
ICP |
G03C 5/14
G11B 7/00
|
