FR466351A - Amplifier relay telephone connection device - Google Patents
Amplifier relay telephone connection deviceInfo
- Publication number
- FR466351A FR466351A FR466351A FR466351DA FR466351A FR 466351 A FR466351 A FR 466351A FR 466351 A FR466351 A FR 466351A FR 466351D A FR466351D A FR 466351DA FR 466351 A FR466351 A FR 466351A
- Authority
- FR
- France
- Prior art keywords
- connection device
- telephone connection
- relay telephone
- amplifier relay
- amplifier
- 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
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL191329165X | 1912-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR466351A true FR466351A (en) | 1914-05-11 |
Family
ID=32389718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR466351A Expired FR466351A (en) | 1912-12-19 | 1913-12-18 | Amplifier relay telephone connection device |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE283134C (en) |
FR (1) | FR466351A (en) |
GB (1) | GB191329165A (en) |
-
0
- DE DENDAT283134D patent/DE283134C/de active Active
-
1913
- 1913-12-17 GB GB191329165D patent/GB191329165A/en not_active Expired
- 1913-12-18 FR FR466351A patent/FR466351A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE283134C (en) | |
GB191329165A (en) | 1914-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR466351A (en) | Amplifier relay telephone connection device | |
FR457467A (en) | Relay device | |
FR463735A (en) | Telephone relay | |
CH62034A (en) | Telephone relay | |
FR452359A (en) | Repeater or telephone relay | |
FR450921A (en) | Electromagnetic relay device | |
FR452744A (en) | Telephone system | |
FR456997A (en) | Telephone system | |
FR449230A (en) | Telephone system | |
FR445184A (en) | Telephone system | |
FR452751A (en) | Telephone system | |
FR434347A (en) | Telephone relay | |
CH57868A (en) | Telephone relay | |
CH59765A (en) | Microphone relay | |
CH63217A (en) | Electrical connection device | |
FR455762A (en) | Connection system | |
FR439839A (en) | Phone system | |
FR439840A (en) | Phone system | |
FR468923A (en) | Telephone system and devices for this system | |
FR439170A (en) | Referral device | |
FR459994A (en) | Device for contact relay | |
CH57168A (en) | Telephone system on houses | |
FR456869A (en) | Device for disinfecting mouthpieces or telephone receivers | |
FR449193A (en) | Prepaid telephone system | |
FR442581A (en) | Central telephone system |