EP0075214B1 - Method of switching a television receiver - Google Patents

Method of switching a television receiver Download PDF

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Publication number
EP0075214B1
EP0075214B1 EP82108336A EP82108336A EP0075214B1 EP 0075214 B1 EP0075214 B1 EP 0075214B1 EP 82108336 A EP82108336 A EP 82108336A EP 82108336 A EP82108336 A EP 82108336A EP 0075214 B1 EP0075214 B1 EP 0075214B1
Authority
EP
European Patent Office
Prior art keywords
switching
television receiver
switch
standby
switches
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
EP82108336A
Other languages
German (de)
French (fr)
Other versions
EP0075214A1 (en
Inventor
Rainer Dipl.-Ing. Dangschat (Fh)
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.)
Rainer Dangschat Te Landsham Bondsrepubliek Duits
Original Assignee
Dangschat Rainer Dipl-Ing (fh)
Siemens AG
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 Dangschat Rainer Dipl-Ing (fh), Siemens AG filed Critical Dangschat Rainer Dipl-Ing (fh)
Publication of EP0075214A1 publication Critical patent/EP0075214A1/en
Application granted granted Critical
Publication of EP0075214B1 publication Critical patent/EP0075214B1/en
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G99/00—Subject matter not provided for in other groups of this subclass
    • G04G99/006—Electronic time-pieces using a microcomputer, e.g. for multi-function clocks
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
    • G04F1/005—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers using electronic timing, e.g. counting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed

Definitions

  • the invention relates to a method for switching a television receiver, which has the operating states “on”, “stand-by” and “off” and contains a microprocessor operating as a timer and a power switch, from "stand-by” to "off”. Operating status.
  • Such a method is e.g. B. from IEEE Transactions on Consumer Electronics, volume CE 24, No. 3, pages 436 to 441.
  • a microprocessor controlled television control system is described.
  • the infrared preamplifier and a receive decoder circuit are supplied with power via a standby power supply.
  • This standby power supply unit can be a separate power supply unit consisting of a 50 Hz transformer, rectification, screening and stabilization, or the switching power supply unit in the device can also continue to operate during standby operation.
  • the television remains in standby throughout the day, and this is indicated to the user by a sign, e.g. B. a red LED. This is to remind the user that he switches off the device in the evening and thus completely disconnects the device from the mains for safety reasons.
  • a sign e.g. B. a red LED. This is to remind the user that he switches off the device in the evening and thus completely disconnects the device from the mains for safety reasons.
  • the standby mode only causes a low power consumption of approx. 10 W, but has a statistically insignificant security risk, which is why it is recommended to use the receiver at night and during a long absence, e.g. B. before vacation, switch off completely.
  • the object of the invention is to provide a method for completely switching off a television receiver of the type mentioned at the outset, with which the difficulties shown above are eliminated.
  • This object is achieved in that the timer switches off the television receiver after a defined time since the last "on” operating state by letting the power switch provided with an outlet winding fall back into its off position by switching on the trigger winding.
  • the device is switched off by applying a current pulse to the magnetic winding of the mains switch, so that the switch springs back into the rest position.
  • the mains switch To switch the device on again, the mains switch must be pressed again as usual.
  • the device By pressing the mains switch (with magnetic release) (5) the device is supplied with a voltage U - , for example 220 V.
  • a voltage U - for example 220 V.
  • the modules remote control receiver (4) and microcomputer (3) work, which z. B. from a switching power supply (1) that also supplies the TV chassis (2) in the on state with the operating voltages.
  • the microcomputer (3) switches the relay (6) via an amplifier (8), which switches the operating voltages to the chassis (2).
  • a switch-off command causes the relay (6) to drop out. If a defined time has passed since the last switch-on operation (e.g. 5 hours) or since the last control command by the user (e.g.
  • the microcomputer (3) switches on via the amplifier (7) Trigger winding of the Neztschalter (5), whereupon it falls back into its off position, and disconnects the entire device from the mains.
  • the switch (5) can of course also be returned to its rest position by hand.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Television Receiver Circuits (AREA)
  • Selective Calling Equipment (AREA)
  • Details Of Television Systems (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Schalten eines Fernsehempfängers, der die Betriebszustände "Ein", "Stand-by" und "Aus" aufweist und einen als Zeitschaltuhr arbeitenden Mikroprozessor sowie einen Netzschalter enthält, vom "Stand-by" in den "Aus"-Betriebszustand.The invention relates to a method for switching a television receiver, which has the operating states "on", "stand-by" and "off" and contains a microprocessor operating as a timer and a power switch, from "stand-by" to "off". Operating status.

Ein solches Verfahren ist z. B. aus der IEEE Transactions on Consumer Electronics, Band CE 24, Nr. 3, Seiten 436 bis 441 bekannt. In dieser Druckschrift ist ein Mikroprozessor gesteuertes Fernsehkontrollsystem beschrieben.Such a method is e.g. B. from IEEE Transactions on Consumer Electronics, volume CE 24, No. 3, pages 436 to 441. In this document a microprocessor controlled television control system is described.

Es ist weiterhin bekannt, daß moderne Fernsehempfänger, insbesondere Farbfernsehgeräte, meist mit Fernbedienung ausgerüstet sind und drei Betriebszustände aufweisen, nämlich den ausgeschalteten Zustand, den Stand-by- oder Wartebetrieb und eingeschaltet mit Bild- und Tonempfang.It is also known that modern television receivers, in particular color television sets, are usually equipped with a remote control and have three operating states, namely the switched-off state, the standby or waiting mode and switched on with image and sound reception.

Während des Standby- oder Wartebetriebs wird der Infrarot-Vorverstärker und eine Empfangs-Dekoderschaltung über ein Standby-Netzteil mit Strom versorgt. Dieses Standby-Netzteil kann ein separates Netzteil sein, das aus 50 Hz-Transformator, Gleichrichtung, Siebung und Stabilisierung besteht, oder es kann das im Gerät vorhandene Schaltnetzteil auch während des Standby-Betriebs weiterlaufen.During the standby or waiting mode, the infrared preamplifier and a receive decoder circuit are supplied with power via a standby power supply. This standby power supply unit can be a separate power supply unit consisting of a 50 Hz transformer, rectification, screening and stabilization, or the switching power supply unit in the device can also continue to operate during standby operation.

Üblicherweise bleibt das Fernsehgerät den ganzen Tag über in Standby-Funktion, und dies wird dem Benutzer durch ein Lictitzeichen, z. B. einer roten LED, angezeigt. Hiermit soll der Benutzer daran erinnert werden, daß er am Abend das Gerät ausschaltet und damit aus Sicherheitsgründen das Gerät völlig vom Netz trennt.Typically, the television remains in standby throughout the day, and this is indicated to the user by a sign, e.g. B. a red LED. This is to remind the user that he switches off the device in the evening and thus completely disconnects the device from the mains for safety reasons.

Der Standby-Betrieb verursacht zwar nur einen geringen Stromverbrauch von ca. 10 W, hat aber ein statistisch nicht zu vernachlässigendes Sicherheitsrisiko, weshalb empfohlen wird, den Empfänger nachts und während längerer Abwesenheit, z. B. vor dem Urlaub, völlig auszuschalten.The standby mode only causes a low power consumption of approx. 10 W, but has a statistically insignificant security risk, which is why it is recommended to use the receiver at night and during a long absence, e.g. B. before vacation, switch off completely.

Weiterhin besteht die Gefahr, daß beispielsweise eine Lichtspiegelung als Infrarot-Einschaltbefehl falsch interpretiert wird, und der Fernsehempfänger somit unbeabsichtigt eingeschaltet wird.There is also the risk that, for example, a light reflection is interpreted incorrectly as an infrared switch-on command, and the television receiver is thus switched on unintentionally.

Aufgabe der Efindung ist es, ein Verfahren zum völligen Ausschalten eines Fernsehempfängers der eingangs genannten Art anzugeben, mit dem die vorstehend gezeigten Schwierigkeiten behoben werden.The object of the invention is to provide a method for completely switching off a television receiver of the type mentioned at the outset, with which the difficulties shown above are eliminated.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Zeitschaltuhr den Fernsehempfänger nach einer definierten Zeit seit dem letzten "Ein"-Betriebszustand ausschaltet, indem sie den mit einer Ausläsewicklung versehenen Netzschalter durch Einschalten der Auslösewicklung in seine Aus-Stellung zurückfallen läßt.This object is achieved in that the timer switches off the television receiver after a defined time since the last "on" operating state by letting the power switch provided with an outlet winding fall back into its off position by switching on the trigger winding.

Damit wird der Vorteil ezielt daß mit Hilfe des im Fernsehempfänger vorhandenen Mikroprozessor, z. B. in Frequenzsynthese-Abstimmsystem, eine Zeitschaltung erstellt werden kann, die das Gerät nach einer vorher bestimmten Zeit, beispelsweise 5 Stunden Standby-Betrieb, völlig ausschaltet. Durch das erfindungsgemäße Verfahren wird erreicht, daß nach einer gewissen Zeit des Standby-Betriebs das Gerät völlig von Netz getrennt wird, wodurch das Brandrisiko verringert und zusätzlich eine, wenn auch geringe, Stromersparnis erzielt wird.This has the advantage that using the microprocessor present in the television receiver, e.g. B. in frequency synthesis tuning system, a time circuit can be created, which switches off the device after a predetermined time, for example 5 hours standby mode, completely. With the method according to the invention it is achieved that after a certain period of standby operation the device is completely disconnected from the mains, which reduces the risk of fire and additionally saves electricity, albeit slightly.

In einer besonders vorteilhaften Ausführungsform des erfindungsgemäßen Verfahrens geschieht das Abschalten des Gerätes dadurch, daß die Magnetwicklung des Netzschalters mit einem Stromimpuls beaufschlagt wird, so daß der Schalter in die Ruhe-Position zurückspringt. Zum Wiedereinschalten des Gerätes muß dann der Netzschalter wie üblich neu gedrückt werden.In a particularly advantageous embodiment of the method according to the invention, the device is switched off by applying a current pulse to the magnetic winding of the mains switch, so that the switch springs back into the rest position. To switch the device on again, the mains switch must be pressed again as usual.

Die Erfindung wird anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Durch Betätigen des Netzschalters (mit magnetischer Auslösung) (5) wird das Gerät mit einer Spannung U -, beispielsweise 220 V versorgt. Im Standby-Betrieb arbeiten zweckmäßigerweise nur die Baugruppen Fernbedienungsempfänger (4) und Mikrocomputer (3), die z. B. aus einem Schaltnetzteil (1) versorgt werden, das auch das TV-Chassis (2) im Ein-Zustand mit den Betriebsspannungen versorgt. Nach Dekodierung eines Einschaltbefehls schaltet der Mikrocomputer (3) über einen Verstärker (8) das Relais (6), das die Betriebsspannungen auf das Chassis (2) schaltet. Ein Ausschaltbefehl bewirkt, daß das Relais (6) abfällt. Wenn eine definierte Zeit seit dem letzten Ein-Betrieb (z. B. 5 Stunden) oder seit dem letzten Steuerbefehl durch den Benutzer (z. B. 24 Stunden) vergangen ist, schaltet der Mikrocomputer (3) über den Verstärker (7) die Auslösewicklung des Neztschalters (5) ein, worauf dieser in seine Aus-Stellung zurückfällt, und das gesamte Gerät vom Netz trennt. Der Schalter (5) kann selbstverständlich auch per Hand wieder in seine Ruhe-Stellung gebracht werden.The invention is explained in more detail using an exemplary embodiment shown in the drawing. By pressing the mains switch (with magnetic release) (5) the device is supplied with a voltage U - , for example 220 V. In standby mode, only the modules remote control receiver (4) and microcomputer (3) work, which z. B. from a switching power supply (1) that also supplies the TV chassis (2) in the on state with the operating voltages. After decoding a switch-on command, the microcomputer (3) switches the relay (6) via an amplifier (8), which switches the operating voltages to the chassis (2). A switch-off command causes the relay (6) to drop out. If a defined time has passed since the last switch-on operation (e.g. 5 hours) or since the last control command by the user (e.g. 24 hours), the microcomputer (3) switches on via the amplifier (7) Trigger winding of the Neztschalter (5), whereupon it falls back into its off position, and disconnects the entire device from the mains. The switch (5) can of course also be returned to its rest position by hand.

Claims (1)

  1. Method of switching a television receiver, having the operating states "on", standby" and "off" and containing a microprocessor functioning as a timer switch as well as a power switch, from "standby" into the "off" operating state, characterized in that the timer switch switches off the television receiver after a defined period of time since the last "on" operating state, in that, by switching on the trip coil, it allows the power switch (5) equipped with a trip coil to fall back into its off position.
EP82108336A 1981-09-17 1982-09-09 Method of switching a television receiver Expired EP0075214B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3137063 1981-09-17
DE3137063 1981-09-17

Publications (2)

Publication Number Publication Date
EP0075214A1 EP0075214A1 (en) 1983-03-30
EP0075214B1 true EP0075214B1 (en) 1989-05-31

Family

ID=6141996

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82108336A Expired EP0075214B1 (en) 1981-09-17 1982-09-09 Method of switching a television receiver

Country Status (4)

Country Link
US (1) US4600948A (en)
EP (1) EP0075214B1 (en)
JP (1) JPS5869170A (en)
DE (1) DE3279740D1 (en)

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Also Published As

Publication number Publication date
US4600948A (en) 1986-07-15
JPS5869170A (en) 1983-04-25
EP0075214A1 (en) 1983-03-30
DE3279740D1 (en) 1989-07-06

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