GB1307519A - Remote control systems - Google Patents

Remote control systems

Info

Publication number
GB1307519A
GB1307519A GB1307519DA GB1307519A GB 1307519 A GB1307519 A GB 1307519A GB 1307519D A GB1307519D A GB 1307519DA GB 1307519 A GB1307519 A GB 1307519A
Authority
GB
United Kingdom
Prior art keywords
alternating current
signal
high frequency
frequency alternating
low frequency
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
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.)
MODULAR ENG PRODUCTS Ltd
Original Assignee
MODULAR ENG PRODUCTS 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 MODULAR ENG PRODUCTS Ltd filed Critical MODULAR ENG PRODUCTS Ltd
Publication of GB1307519A publication Critical patent/GB1307519A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/08—Calling by using continuous ac
    • H04Q9/10—Calling by using continuous ac using single different frequencies
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H19/00—Model railways
    • A63H19/24—Electric toy railways; Systems therefor

Abstract

1307519 Train control systems MODULAR ENG PRODUCTS Ltd 27 Feb 1970 [11 March 1969] 12790/69 Heading B7N [Also in Divisions G4 H3 and H4] A remote control system for a toy train comprises a low frequency alternating current source of power and a transmitter TMR for generating bursts of high frequency alternating current, the high frequency bursts controlling the duration or duration and direction of unidirectional current flow derived from the low frequency alternating current to control a motor M in the remote train or car. The low frequency alternating current source is connected to the primary P of a transformer and several transmitters having different frequencies may have their outputs connected in series using a link LK to provide several channels. The output O, which consists of the low frequency alternating current signal and bursts of high frequency alternating current whose phase (i.e. leading edge) relative to the former signal may be adjusted by a switch SW1 and a variable resistor RV1, is connected to rails R of a model railway track. The high frequency signal is detected by an LC circuit to switch on SCR1 or SCR2 depending on the position of the switch SW1, thus causing the rectified low frequency alternating current signal to energize motor M and drive the train forwards or backwards at a speed dependent on the width of the high frequency bursts i.e. dependent on the setting of the variable resistor RV1. In a modification the high frequency signal is fed to a conductor surrounding the track, the signal being inductively coupled to the train driving circuit and the low frequency signal being applied directly to the circuit.
GB1307519D 1969-03-11 1969-03-11 Remote control systems Expired GB1307519A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1279069 1969-03-11

Publications (1)

Publication Number Publication Date
GB1307519A true GB1307519A (en) 1973-02-21

Family

ID=10011181

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1307519D Expired GB1307519A (en) 1969-03-11 1969-03-11 Remote control systems

Country Status (3)

Country Link
JP (1) JPS5117657B1 (en)
DE (1) DE2011286A1 (en)
GB (1) GB1307519A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006002711A1 (en) * 2004-06-29 2006-01-12 Sew-Eurodrive Gmbh & Co. Kg Rail-guided transport system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2031624B (en) * 1978-08-15 1982-03-31 Rovex Ltd Remote control of electrical devices
JPS6292473U (en) * 1985-11-30 1987-06-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006002711A1 (en) * 2004-06-29 2006-01-12 Sew-Eurodrive Gmbh & Co. Kg Rail-guided transport system

Also Published As

Publication number Publication date
JPS5117657B1 (en) 1976-06-03
DE2011286A1 (en) 1971-02-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee