FR41902E - Method and device for recording telephone conversations - Google Patents
Method and device for recording telephone conversationsInfo
- Publication number
- FR41902E FR41902E FR41902DA FR41902E FR 41902 E FR41902 E FR 41902E FR 41902D A FR41902D A FR 41902DA FR 41902 E FR41902 E FR 41902E
- Authority
- FR
- France
- Prior art keywords
- telephone conversations
- recording telephone
- recording
- conversations
- telephone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR41902T | 1931-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR41902E true FR41902E (en) | 1933-05-03 |
Family
ID=8678024
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR741727D Expired FR741727A (en) | 1931-12-23 | ||
FR41902D Expired FR41902E (en) | 1931-12-23 | 1931-12-23 | Method and device for recording telephone conversations |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR741727D Expired FR741727A (en) | 1931-12-23 |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR41902E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5844979A (en) * | 1995-02-16 | 1998-12-01 | Global Technologies, Inc. | Intelligent switching system for voice and data |
-
0
- FR FR741727D patent/FR741727A/fr not_active Expired
-
1931
- 1931-12-23 FR FR41902D patent/FR41902E/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5844979A (en) * | 1995-02-16 | 1998-12-01 | Global Technologies, Inc. | Intelligent switching system for voice and data |
US6061440A (en) * | 1995-02-16 | 2000-05-09 | Global Technologies, Inc. | Intelligent switching system for voice and data |
US6373936B1 (en) | 1995-02-16 | 2002-04-16 | Global Technologies, Inc. | Intelligent switching system for voice and data |
US6819752B2 (en) | 1995-02-16 | 2004-11-16 | Keith Raniere | Intelligent switching system for voice and data |
US7215752B2 (en) | 1995-02-16 | 2007-05-08 | Global Technologies, Inc. | Intelligent switching system for voice and data |
US7391856B2 (en) | 1995-02-16 | 2008-06-24 | Global Technologies, Inc. | Intelligent switching system for voice and data |
US8068592B2 (en) | 1995-02-16 | 2011-11-29 | Global Technologies, Inc. | Intelligent switching system for voice and data |
Also Published As
Publication number | Publication date |
---|---|
FR741727A (en) | 1933-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR41902E (en) | Method and device for recording telephone conversations | |
FR830297A (en) | Method and device for anesthesia | |
FR715993A (en) | Anchoring device for metal cables | |
FR726448A (en) | Device for automatic recording and reproduction of telephone conversations | |
FR716977A (en) | Method and device for ventilating premises | |
FR714595A (en) | Method and device for improving textiles | |
FR796451A (en) | Method and device for decarburizing metals | |
FR736182A (en) | Method and device for performing rolled splices | |
FR858486A (en) | Method and device for adjusting amplifiers | |
FR720322A (en) | Recording method for talking cinema and similar devices | |
FR711148A (en) | Method and device for photographic sound recording | |
FR769494A (en) | Method and device for recording oscillations | |
FR751926A (en) | Method and device for charging gasifiers | |
FR750977A (en) | Method and device for obtaining magnesium-metal | |
FR721287A (en) | Method and device for underground spreading | |
FR716439A (en) | Sound recording device | |
FR699067A (en) | Method and device for reproducing writing and illustration | |
FR720323A (en) | Recording method for talking cinema and similar devices | |
FR711555A (en) | Device for language teaching | |
FR756354A (en) | Method and device for stabilizing ships | |
FR693287A (en) | Method and device for reproducing phonetic inscription | |
FR706945A (en) | Sound film and method for recording and printing sound films | |
FR691827A (en) | Magnetic recording device for telephone currents | |
FR765385A (en) | Method and device for varnishing metal tapes | |
FR747517A (en) | Method and device for rationally carrying out adsorption operations |