CH250537A - Dispositif de commutation commandé par un multiple de marquage commun. - Google Patents
Dispositif de commutation commandé par un multiple de marquage commun.Info
- Publication number
- CH250537A CH250537A CH250537DA CH250537A CH 250537 A CH250537 A CH 250537A CH 250537D A CH250537D A CH 250537DA CH 250537 A CH250537 A CH 250537A
- Authority
- CH
- Switzerland
- Prior art keywords
- switching device
- device controlled
- common marking
- marking
- common
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Mechanisms For Operating Contacts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR901359T | 1943-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH250537A true CH250537A (fr) | 1947-08-31 |
Family
ID=9401782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH250537D CH250537A (fr) | 1943-09-07 | 1944-12-19 | Dispositif de commutation commandé par un multiple de marquage commun. |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE464926A (en(2012)) |
CH (1) | CH250537A (en(2012)) |
FR (1) | FR901359A (en(2012)) |
GB (1) | GB646196A (en(2012)) |
LU (1) | LU27852A1 (en(2012)) |
NL (1) | NL60927C (en(2012)) |
-
1943
- 1943-09-07 FR FR901359D patent/FR901359A/fr not_active Expired
-
1944
- 1944-02-08 NL NL115194A patent/NL60927C/nl active
- 1944-12-19 CH CH250537D patent/CH250537A/fr unknown
-
1946
- 1946-02-22 LU LU27852D patent/LU27852A1/fr unknown
- 1946-03-14 GB GB7984/47A patent/GB646196A/en not_active Expired
- 1946-04-30 BE BE464926A patent/BE464926A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB646196A (en) | 1950-11-15 |
BE464926A (fr) | 1946-05-31 |
NL60927C (en(2012)) | 1948-04-15 |
FR901359A (fr) | 1945-07-25 |
LU27852A1 (en(2012)) | 1945-12-22 |
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