EP0417472A2 - Dispositif de positionnement automatique d'une antenne satellite - Google Patents

Dispositif de positionnement automatique d'une antenne satellite Download PDF

Info

Publication number: EP0417472A2
Authority: EP; European Patent Office
Prior art keywords: motor; switch; switches; switched; computing unit
Prior art date: 1989-09-14
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.): Granted

Application number

EP90115219A

Other languages

German (de)

English (en)

Other versions

EP0417472A3 (en

EP0417472B1 (fr

Inventor

Josef Dipl.-Ing. Rohrbacher (Fh), Grundig E.M.V.

Gerhard Grundig E.M.V. Seibold

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.)

Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH

Original Assignee

Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH

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.)

1989-09-14

Filing date

1990-08-08

Publication date

1991-03-20

1990-08-08 Application filed by Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH filed Critical Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH

1990-08-08 Priority to AT90115219T priority Critical patent/ATE102747T1/de

1991-03-20 Publication of EP0417472A2 publication Critical patent/EP0417472A2/fr

1991-07-24 Publication of EP0417472A3 publication Critical patent/EP0417472A3/de

1994-03-09 Application granted granted Critical

1994-03-09 Publication of EP0417472B1 publication Critical patent/EP0417472B1/fr

2010-08-08 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole

Definitions

the invention relates to a device for automatically positioning a satellite antenna according to the preamble of claim 1.
Fig. 1 shows a block diagram of this device. It essentially consists of a DC motor M for two directions of rotation and a control circuit.
This control circuit contains two controlled switches S1 and S2, preferably in the form of a relay, with switch positions 1 and 2 of switch S1 or 3 and 4 of switch S2.
Motor M is connected to the DC supply voltage via these two switches S1 and S2. With switch positions 1/3, ie switch S1 in position 1 and switch S2 in position 3, or 2/4, ie switch S1 in position 2 and switch S2 in position 4, the motor is switched off.
switch position 1/4 With switch position 1/4 the motor runs in a direction that is determined by the polarity of the supply voltage and with switch position 2/3 the motor runs in the opposite direction to switch position 1/4.
the switches S1 and S2 are controlled by a control circuit contained in the computing unit MP in such a way that, depending on the requirements, they assume one of the switching positions described above.
the supply circuit contains a current monitoring circuit, from which an actual signal, which indicates whether the motor is switched on or off, is sent to the computing unit MP. With this signal, a counter that indicates the current position is reset when the motor is switched off by a limit switch, i.e. when it has reached an end position, it is switched off.
the arithmetic unit MP queries the state of the current monitoring circuit SÜ when a switch-off command is issued, ie when it controls the switches S1 and S2 into the switch position 1/3 or 2/4.
the comparison circuit compares the state of the current monitoring circuit SÜ with the state of the control signal for switching the motor M on / off and outputs a signal corresponding to the comparison result. If this indicates that there is still current flow in the motor M, that is to say that the switch last actuated has not assumed its predetermined switching position, a control command contained in the computing unit MP issues a switching command to the other switch, so that the motor M is switched off .
the switch position is 1/4, the motor M is running in a predetermined direction
the current monitoring circuit SÜ shows the computing unit that the motor M is running. If a switching command is issued, which results in switch position 2/4, i.e. the motor is switched off, then the comparison circuit checks whether current still flows through the motor M when the switch-off signal is present. If this is the case, ie switch position 1/4 is still present because, for example, switch S1 is stuck, this is recognized and the control circuit switches switch S2 to position 3, so that switch position 1/3 is present and thus the motor M is switched off.
a display unit is used so that the computing unit MP displays a corresponding error message when a switch S1 or S2 malfunctions.

Landscapes

Control Of Position Or Direction (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)
Details Of Aerials (AREA)

EP90115219A 1989-09-14 1990-08-08 Dispositif de positionnement automatique d'une antenne satellite Expired - Lifetime EP0417472B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT90115219T ATE102747T1 (de)	1989-09-14	1990-08-08	Einrichtung zum automatischen positionieren einer satellitenantenne.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3930723		1989-09-14
DE3930723A DE3930723A1 (de)	1989-09-14	1989-09-14	Einrichtung zum automatischen positionieren einer satellitenantenne

Publications (3)

Publication Number	Publication Date
EP0417472A2 true EP0417472A2 (fr)	1991-03-20
EP0417472A3 EP0417472A3 (en)	1991-07-24
EP0417472B1 EP0417472B1 (fr)	1994-03-09

Family

ID=6389426

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP90115219A Expired - Lifetime EP0417472B1 (fr)	1989-09-14	1990-08-08	Dispositif de positionnement automatique d'une antenne satellite

Country Status (3)

Country	Link
EP (1)	EP0417472B1 (fr)
AT (1)	ATE102747T1 (fr)
DE (2)	DE3930723A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102323446A (zh) *	2011-08-08	2012-01-18	珠海迈科电子科技有限公司	对控制极轴天线的马达的转动情况实现监测的方法和系统
CN102723602A (zh) *	2012-06-29	2012-10-10	深圳市九洲电器有限公司	一种自动寻星方法及寻星装置
US20170373390A1 (en) *	2016-06-28	2017-12-28	Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd	Satellite finding apparatus and satellite finding method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19953634B4 (de) *	1999-11-09	2008-04-17	Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg	Einrichtung und Verfahren zur Sicherung eines Lastelementes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3305770A1 (de) *	1983-02-19	1984-08-23	Robert Bosch Gmbh, 7000 Stuttgart	Schaltungsanordnung zum ein- und ausschalten eines elektromotorischen antriebes

1989
- 1989-09-14 DE DE3930723A patent/DE3930723A1/de not_active Withdrawn
1990
- 1990-08-08 AT AT90115219T patent/ATE102747T1/de not_active IP Right Cessation
- 1990-08-08 DE DE90115219T patent/DE59004879D1/de not_active Expired - Lifetime
- 1990-08-08 EP EP90115219A patent/EP0417472B1/fr not_active Expired - Lifetime

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102323446A (zh) *	2011-08-08	2012-01-18	珠海迈科电子科技有限公司	对控制极轴天线的马达的转动情况实现监测的方法和系统
CN102323446B (zh) *	2011-08-08	2013-01-23	珠海迈科电子科技有限公司	对控制极轴天线的马达的转动情况实现监测的方法和系统
CN102723602A (zh) *	2012-06-29	2012-10-10	深圳市九洲电器有限公司	一种自动寻星方法及寻星装置
US20170373390A1 (en) *	2016-06-28	2017-12-28	Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd	Satellite finding apparatus and satellite finding method
CN107547876A (zh) *	2016-06-28	2018-01-05	鸿富锦精密工业（深圳）有限公司	寻星装置及寻星方法
US10389022B2 (en) *	2016-06-28	2019-08-20	Nanning Fugui Precision Industrial Co., Ltd.	Satellite finding apparatus and satellite finding method

Also Published As

Publication number	Publication date
ATE102747T1 (de)	1994-03-15
EP0417472A3 (en)	1991-07-24
EP0417472B1 (fr)	1994-03-09
DE59004879D1 (de)	1994-04-14
DE3930723A1 (de)	1991-03-28

Legal Events

Date	Code	Title	Description
1991-02-02	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-03-20	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT DE FR GB
1991-06-06	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-07-24	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT DE FR GB
1991-10-16	17P	Request for examination filed	Effective date: 19910822
1993-09-29	17Q	First examination report despatched	Effective date: 19930817
1994-01-21	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-03-09	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT DE FR GB
1994-03-09	REF	Corresponds to:	Ref document number: 102747 Country of ref document: AT Date of ref document: 19940315 Kind code of ref document: T
1994-04-13	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19940314
1994-04-14	REF	Corresponds to:	Ref document number: 59004879 Country of ref document: DE Date of ref document: 19940414
1994-05-13	ET	Fr: translation filed
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1995-01-12	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1995-01-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-03-01	26N	No opposition filed
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1999-08-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: AT Payment date: 19990831 Year of fee payment: 10
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