FR970661A - Appareil téléphonique de bureau avec commutateur et lampes indicatrices - Google Patents
Appareil téléphonique de bureau avec commutateur et lampes indicatricesInfo
- Publication number
- FR970661A FR970661A FR970661DA FR970661A FR 970661 A FR970661 A FR 970661A FR 970661D A FR970661D A FR 970661DA FR 970661 A FR970661 A FR 970661A
- Authority
- FR
- France
- Prior art keywords
- switch
- telephone set
- indicator lights
- office telephone
- office
- 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
- H04M1/02—Constructional features of telephone sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/52—Arrangements wherein a dial or the like is mechanically coupled to a line selector
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US970661XA | 1947-09-10 | 1947-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR970661A true FR970661A (fr) | 1951-01-08 |
Family
ID=22260757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR970661D Expired FR970661A (fr) | 1947-09-10 | 1948-08-24 | Appareil téléphonique de bureau avec commutateur et lampes indicatrices |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE484583A (en, 2012) |
FR (1) | FR970661A (en, 2012) |
-
0
- BE BE484583D patent/BE484583A/xx unknown
-
1948
- 1948-08-24 FR FR970661D patent/FR970661A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE484583A (en, 2012) |
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