[go: up one dir, main page]

FR839812A - Perfectionnements aux systèmes d'accord automatique - Google Patents

Perfectionnements aux systèmes d'accord automatique

Info

Publication number
FR839812A
FR839812A FR839812DA FR839812A FR 839812 A FR839812 A FR 839812A FR 839812D A FR839812D A FR 839812DA FR 839812 A FR839812 A FR 839812A
Authority
FR
France
Prior art keywords
automatic tuning
tuning systems
systems
automatic
tuning
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
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR839812A publication Critical patent/FR839812A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/14—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by auxiliary power
    • H03J5/146—Settings desired by a switch controlled together with the tuning member and which stops the control as soon as a desired position is reached
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/121—Control of position or direction using feedback using synchromachines (selsyns)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structure Of Receivers (AREA)
  • Transmission Devices (AREA)
  • Mechanical Control Devices (AREA)
FR839812D 1937-06-25 1938-06-24 Perfectionnements aux systèmes d'accord automatique Expired FR839812A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US150389A US2186828A (en) 1937-06-25 1937-06-25 Tuning system
US151432A US2186823A (en) 1937-06-25 1937-07-01 Tuning system

Publications (1)

Publication Number Publication Date
FR839812A true FR839812A (fr) 1939-04-13

Family

ID=22538749

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839812D Expired FR839812A (fr) 1937-06-25 1938-06-24 Perfectionnements aux systèmes d'accord automatique

Country Status (4)

Country Link
US (2) US2186828A (fr)
CH (1) CH207143A (fr)
FR (1) FR839812A (fr)
GB (1) GB516633A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478307A (en) * 1946-01-17 1949-08-09 Horace E Overacker Mechanical device

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434470A (en) * 1941-07-17 1948-01-13 Rhodes Inc M H Audible time signal
US2582380A (en) * 1942-02-24 1952-01-15 Hartford Nat Bank & Trust Co Tuning apparatus for radio receivers and the like
US2415678A (en) * 1942-10-03 1947-02-11 Gen Electric Antenna
US2445031A (en) * 1942-12-10 1948-07-13 Jr Eugene F Mcdonald Remote radio tuning control system
US2433805A (en) * 1943-09-27 1947-12-30 Zenith Radio Corp Control means for sequentially and selectively adjusting variable reactances over a band of frequencies
US2501003A (en) * 1945-04-13 1950-03-21 Colonial Radio Corp Push-button tuning for signalseeking receivers
US2546401A (en) * 1947-04-24 1951-03-27 Sylvania Electric Prod Muting system for radio receivers
US2637487A (en) * 1948-03-09 1953-05-05 James G Sawyer Blower
US2712930A (en) * 1953-07-30 1955-07-12 Willard C Robinette Centrifugal device
US2821631A (en) * 1955-05-23 1958-01-28 Philco Corp Signal-seeking device
US2868967A (en) * 1956-06-15 1959-01-13 Admiral Corp Remote control tuner
US3466949A (en) * 1967-12-26 1969-09-16 Ingwald L Ramberg Machine tool indexing assembly
US3659466A (en) * 1970-05-04 1972-05-02 Ferro Mfg Corp Window regulator mechanism
US3973207A (en) * 1975-03-11 1976-08-03 Matsushita Electric Industrial Co., Ltd. Electronic channel selector including control means for selecting a channel and applying power to a load circuit
GB1588949A (en) * 1977-03-30 1981-05-07 Sony Corp Tuning apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478307A (en) * 1946-01-17 1949-08-09 Horace E Overacker Mechanical device

Also Published As

Publication number Publication date
US2186823A (en) 1940-01-09
US2186828A (en) 1940-01-09
CH207143A (de) 1939-09-30
GB516633A (en) 1940-01-08

Similar Documents

Publication Publication Date Title
FR839812A (fr) Perfectionnements aux systèmes d'accord automatique
FR847855A (fr) Perfectionnements aux systèmes aériens
FR831620A (fr) Perfectionnements aux systèmes téléphoniques
FR847965A (fr) Systèmes de télévision
FR810606A (fr) Perfectionnements aux systèmes radio-récepteurs
FR832277A (fr) Perfectionnements aux systèmes d'alarme automatiques
FR827166A (fr) Perfectionnements aux systèmes de téléphonie automatique
FR820324A (fr) Perfectionnements aux systèmes transmetteurs pour télévision
FR840325A (fr) Perfectionnements aux systèmes téléphoniques
FR846979A (fr) Perfectionnements aux systèmes de télévision
FR833176A (fr) Perfectionnements aux systèmes téléphoniques
FR834486A (fr) Perfectionnements aux carburateurs
FR823888A (fr) Perfectionnements aux carburateurs
FR835343A (fr) Perfectionnements aux systèmes électriques
FR831851A (fr) Perfectionnements aux systèmes de téléphonie automatique
FR838784A (fr) Perfectionnements aux récepteurs à finissage automatique de l'accord
FR843874A (fr) Perfectionnements aux mécanismes d'accord automatique des appareils radio-récepteurs
FR821639A (fr) Perfectionnements aux systèmes de polarisation automatique
FR845848A (fr) Perfectionnements aux systèmes de télévision
FR838511A (fr) Perfectionnements aux systèmes téléphoniques
FR847279A (fr) Perfectionnements aux systèmes téléphoniques
FR836250A (fr) Perfectionnements aux systèmes transmetteurs pour télévision ou analogues
FR830976A (fr) Perfectionnements aux carburateurs
FR832760A (fr) Perfectionnements aux systèmes télégraphiques
BE425110R (fr) Systéme de toiture du genre terrasse