FR839506A - Improvements to automatic control mechanisms for phonographs and the like - Google Patents

Improvements to automatic control mechanisms for phonographs and the like

Info

Publication number
FR839506A
FR839506A FR839506DA FR839506A FR 839506 A FR839506 A FR 839506A FR 839506D A FR839506D A FR 839506DA FR 839506 A FR839506 A FR 839506A
Authority
FR
France
Prior art keywords
phonographs
automatic control
control mechanisms
mechanisms
automatic
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
Other languages
French (fr)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR839506A publication Critical patent/FR839506A/en
Expired legal-status Critical Current

Links

FR839506D 1937-06-18 1938-06-18 Improvements to automatic control mechanisms for phonographs and the like Expired FR839506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB839506X 1937-06-18

Publications (1)

Publication Number Publication Date
FR839506A true FR839506A (en) 1939-04-05

Family

ID=10554449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839506D Expired FR839506A (en) 1937-06-18 1938-06-18 Improvements to automatic control mechanisms for phonographs and the like

Country Status (1)

Country Link
FR (1) FR839506A (en)

Similar Documents

Publication Publication Date Title
FR845897A (en) Automatic amplitude adjustment
FR839812A (en) Improvements to automatic tuning systems
FR818058A (en) Automatic selector
FR860559A (en) Improvements to pick-up control mechanisms for automatic gramophones
FR856971A (en) Improvements to Automatic Frequency Control Systems
FR839506A (en) Improvements to automatic control mechanisms for phonographs and the like
FR845922A (en) Improved operating mechanism for bicycles and the like
FR829193A (en) Automatic rewinder
FR843501A (en) Improvements to automatic frequency control circuits
FR839419A (en) Automatic damper for ventilation adjustment
FR834377A (en) Improvements to automatic material unloading devices
FR860314A (en) Improvements to discriminator circuits for use in automatic frequency control systems
FR834633A (en) Turning indicator disc for automatic telephone
CA364663A (en) Automatic control device
CA363876A (en) Automatic phonograph control apparatus
FR862729A (en) Improvements to Automatic Frequency Control Systems
FR817561A (en) Improvement in automatic regulation devices
FR857729A (en) Improvements to automatic control devices for aircraft
FR838698A (en) Control device for automatic stabilizer
FR841463A (en) Gramophone control mechanism
FR829641A (en) Improvements to automatic control devices for elevators, freight elevators and similar devices
FR819227A (en) Automatic powder compact
FR48635E (en) Improvements to automatic tuning devices for t.s.f.
FR873914A (en) Improvements to automatic disc-changing mechanisms for gramophones and similar speaking machines
FR50388E (en) Automatic control gear for reproducing machines