FR724631A - Appareil récepteur pour signaux lumineux - Google Patents

Appareil récepteur pour signaux lumineux

Info

Publication number
FR724631A
FR724631A FR724631DA FR724631A FR 724631 A FR724631 A FR 724631A FR 724631D A FR724631D A FR 724631DA FR 724631 A FR724631 A FR 724631A
Authority
FR
France
Prior art keywords
receiving device
light signals
signals
light
receiving
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.)
ZEISS CARL SOC
Original Assignee
ZEISS CARL SOC
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 ZEISS CARL SOC filed Critical ZEISS CARL SOC
Application granted granted Critical
Publication of FR724631A publication Critical patent/FR724631A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/06—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling by electromagnetic or particle radiation, e.g. by light beam
    • B61L3/065—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling by electromagnetic or particle radiation, e.g. by light beam controlling optically

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR724631D 1930-10-21 1931-10-16 Appareil récepteur pour signaux lumineux Expired FR724631A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE724631X 1930-10-21

Publications (1)

Publication Number Publication Date
FR724631A true FR724631A (fr) 1932-04-29

Family

ID=6634551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724631D Expired FR724631A (fr) 1930-10-21 1931-10-16 Appareil récepteur pour signaux lumineux

Country Status (1)

Country Link
FR (1) FR724631A (fr)

Similar Documents

Publication Publication Date Title
FR724631A (fr) Appareil récepteur pour signaux lumineux
FR727998A (fr) Appareil pour le traçage de titres
FR692000A (fr) Appareil de désinsection
FR716218A (fr) Perfectionnements aux récepteurs de signaux
FR721721A (fr) Appareil de projection pour publicité
FR690133A (fr) Appareil orthophone pour émissions de sons
FR726208A (fr) Dispositif de réception pour la télévision
FR707927A (fr) Appareil enregistreur
FR712794A (fr) Dispositif pour la présentation de films sonores
FR705129A (fr) Dispositif de changement de vitesses-débrayeur pour motocyclettes
FR688973A (fr) Dispositif de démarrage
FR675964A (fr) Appareil de verrouillage pour signaux
FR696028A (fr) Dispositif pour le regommage des pneus
FR701814A (fr) Appareil pour tarauder
FR720309A (fr) Dispositif de transmission
FR39049E (fr) Appareil de calage à double manivelle pour signaux
FR716808A (fr) Dispositif perfectionné pour vérifier la monnaie
FR718245A (fr) Appareil de calage pour signaux de chemins de fer
FR705350A (fr) Dispositif de poulie pour charrue
FR689075A (fr) Dispositif indicateur pour joueurs
FR39528E (fr) Appareil nautique
FR705665A (fr) Dispositif de harponnage pour appareils de navigation aérienne
FR726750A (fr) Dispositif de démarrage
FR693900A (fr) Appareil reproducteur de signaux télégraphiques
FR704060A (fr) Dispositif enregistreur pour voitures