GB646196A - Improvements in commutators having a marking multiple common to several marking devices - Google Patents

Improvements in commutators having a marking multiple common to several marking devices

Info

Publication number
GB646196A
GB646196A GB7984/47A GB798447A GB646196A GB 646196 A GB646196 A GB 646196A GB 7984/47 A GB7984/47 A GB 7984/47A GB 798447 A GB798447 A GB 798447A GB 646196 A GB646196 A GB 646196A
Authority
GB
United Kingdom
Prior art keywords
circuit
relays
test
marking
relay
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
Application number
GB7984/47A
Other languages
English (en)
Inventor
D Electricite Compagn Generale
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Publication of GB646196A publication Critical patent/GB646196A/en
Expired legal-status Critical Current

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)
  • Mechanisms For Operating Contacts (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB7984/47A 1943-09-07 1946-03-14 Improvements in commutators having a marking multiple common to several marking devices Expired GB646196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR901359T 1943-09-07

Publications (1)

Publication Number Publication Date
GB646196A true GB646196A (en) 1950-11-15

Family

ID=9401782

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7984/47A Expired GB646196A (en) 1943-09-07 1946-03-14 Improvements in commutators having a marking multiple common to several marking devices

Country Status (6)

Country Link
BE (1) BE464926A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH250537A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR901359A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB646196A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LU (1) LU27852A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL60927C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
LU27852A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1945-12-22
BE464926A (fr) 1946-05-31
NL60927C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1948-04-15
CH250537A (fr) 1947-08-31
FR901359A (fr) 1945-07-25

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