CH120657A - Self-collecting telephone station. - Google Patents
Self-collecting telephone station.Info
- Publication number
- CH120657A CH120657A CH120657DA CH120657A CH 120657 A CH120657 A CH 120657A CH 120657D A CH120657D A CH 120657DA CH 120657 A CH120657 A CH 120657A
- Authority
- CH
- Switzerland
- Prior art keywords
- self
- telephone station
- collecting telephone
- collecting
- station
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/08—Indicating faults in circuits or apparatus
- H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEE33672D DE543479C (en) | 1926-02-06 | 1926-02-06 | Self-collecting telephone station |
Publications (1)
Publication Number | Publication Date |
---|---|
CH120657A true CH120657A (en) | 1927-08-01 |
Family
ID=7076334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH120657D CH120657A (en) | 1926-02-06 | 1926-02-08 | Self-collecting telephone station. |
Country Status (3)
Country | Link |
---|---|
BE (2) | BE356061A (en) |
CH (1) | CH120657A (en) |
DE (1) | DE543479C (en) |
-
0
- BE BE332329D patent/BE332329A/xx unknown
- BE BE356061D patent/BE356061A/xx unknown
-
1926
- 1926-02-06 DE DEE33672D patent/DE543479C/en not_active Expired
- 1926-02-08 CH CH120657D patent/CH120657A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE543479C (en) | 1932-02-11 |
BE356061A (en) | |
BE332329A (en) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH120657A (en) | Self-collecting telephone station. | |
AT112312B (en) | Self-collecting telephone station. | |
DK38904C (en) | Telephone system. | |
DK44113C (en) | Telephone system. | |
GR1451B (en) | TELEPHONE SYSTEM. | |
CH122029A (en) | Kötzerspulmaschine. | |
CH137786A (en) | Calcolating macchina. | |
CH121236A (en) | Ungifune. | |
AT131968B (en) | Self-collecting telephone station. | |
DK37477C (en) | Telephone. | |
FR628753A (en) | Telephone receiver | |
FR626260A (en) | Telephone receiver | |
AT109595B (en) | Telephone call transmitter. | |
AT109111B (en) | Telephone. | |
CH112500A (en) | Telephone desk station. | |
DK44006C (en) | Telephone system. | |
DK43103C (en) | Telephone system. | |
DK42593C (en) | Telephone system. | |
AT105745B (en) | Automatic telephone switchboard. | |
CH126054A (en) | Telephone transmission line. | |
CH113258A (en) | Telephone receiver. | |
GR1446B (en) | AUTOMATIC TELEPHONE SYSTEM. | |
AT108972B (en) | Head phone. | |
CH113061A (en) | Telephone. | |
DK43222C (en) | Microphone. |