CH273555A - Poste téléphonique. - Google Patents
Poste téléphonique.Info
- Publication number
- CH273555A CH273555A CH273555DA CH273555A CH 273555 A CH273555 A CH 273555A CH 273555D A CH273555D A CH 273555DA CH 273555 A CH273555 A CH 273555A
- Authority
- CH
- Switzerland
- Prior art keywords
- phone booth
- booth
- phone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
-
- 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
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/56—Arrangements for indicating or recording the called number at the calling subscriber's set
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH669069X | 1948-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH273555A true CH273555A (fr) | 1951-02-15 |
Family
ID=4527523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH273555D CH273555A (fr) | 1948-06-14 | 1948-06-14 | Poste téléphonique. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE489567A (fr) |
CH (1) | CH273555A (fr) |
GB (1) | GB669069A (fr) |
-
0
- BE BE489567D patent/BE489567A/xx unknown
-
1948
- 1948-06-14 CH CH273555D patent/CH273555A/fr unknown
-
1949
- 1949-06-13 GB GB15643/49A patent/GB669069A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB669069A (en) | 1952-03-26 |
BE489567A (fr) |
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