DE202009008334U1 - power supply - Google Patents

Abstract

Power supply for a device (10; 25) having a first receiving section (14, 11; 24, 26) configured and capable of receiving signals in at least a first frequency range intended for foreign receivers located in the at least first Frequency domain receive signals to receive and extract energy from the signals for the device (10; 25).

Description

The The present invention relates to a power supply and in particular to a power supply for devices like transceivers and clocks.

nowadays People have many small portable electronic Devices or devices usually over special batteries, accumulators and sometimes also capacitors be supplied with energy or electricity. Such devices For example, small consumers such as electronic clocks, electronic Keys for front doors or vehicle doors, Remote controls for alarm systems and Radio Frequency Identification (RFID) transceivers Etc.

RFID transceiver are often passive RFID transceivers that their energy required for transmission from a high-frequency received signal, with which data is transmitted, extract. at active RFID transceivers is additionally a Battery or the like in the transceiver intended.

The For RFID transceiver provided signals are usually through special transmitters with a corresponding signal strength sent so that the RFID transceiver in the vicinity Such a transmitter sufficient energy from the received signal can extract to its internal circuits, such as a rectifier, demodulator, microprocessor, memory and a Modulator, operate and send a response signal. The transmission power and range of the transmitter is, however, by appropriate laws and standards are limited.

The an RFID transceiver available Energy and thus the reliability of its functioning and its range therefore depend on the reliable one Reception and the strength of a received signal.

One Small consumers like an electronic clock draws its electrical Energies for example from a battery, a solar cell in Combination with a capacitor or even small mechanical Electricity generators in combination with an energy storage.

Especially which are needed for the operation of small consumers special and miniaturized batteries are very expensive.

One Disadvantage of the power supplies of portable small consumers Consequently, this is that they are very expensive and possibly unreliable work.

The It is therefore an object of the present invention to provide a power supply and to provide a device that is less expensive and work reliably.

These The object is achieved by a power supply according to claim 1, a Device according to claim 5 and a transmitter according to claim 13.

The The idea underlying the present invention is that the electromagnetic waves already present in the environment, the example of signals for mobile devices, such as mobile phones, come for operation smaller electrical consumer to use.

The Invention provides a power supply for a device, with a first reception section that is designed and able is to receive signals in at least a first frequency range, the are intended for foreign recipients in the at least first frequency range received signals to receive and to extract energy from the signals for the device.

One Advantage of the power supply of the invention is that existing electromagnetic waves, such as mobile radio systems with mobile phones and base stations, often too be referred to as electrosmog, for the operation of other devices can be used without, on the other hand, the operation the systems from which the electromagnetic waves emanate, is impaired.

One Another advantage of the power supply of the invention is that an additional electrosmog is avoided.

One Another advantage of the power supply of the invention is that small electrical consumers completely or complementary free energy provided can be to make their operation less expensive and more reliable to design.

In the dependent claims are advantageous developments and improvements of the power supply specified in claim 1.

According to one preferred embodiment of the power supply of the invention has the first receiving section is an antenna suitable for a Mobile communication is suitable.

An advantage of this preferred development of the power supply of the invention is that relatively strong electromagnetic waves can be captured, from which energy can be extracted, the other devices through the Power supply is provided.

One Another advantage of this preferred embodiment of the power supply the invention is that for a mobile communication suitable and known antennas are very mature and compact.

According to one Another preferred embodiment of the power supply of the invention the power supply has a capacitor or accumulator.

According to one Another preferred embodiment of the power supply of the invention the power supply has a display for indicating a radiation intensity received signals.

One Advantage of this preferred development of the energy supply of Invention is that a carrier of the power supply or a device having the power supply, such as for example, a watch, to protect against too strong radiation can.

The The invention further provides a device with a power supply according to the invention.

In the dependent claims are advantageous developments and improvements of the device specified in claim 5.

According to one preferred embodiment of the device of the invention is the Device a receiver with a second receiving section, the designed and able to receive signals in at least one second frequency range extending from the at least first frequency range differs, to receive.

According to one Another preferred embodiment of the device of the invention the second receiving section is further designed and capable of from the signals in the at least second frequency range energy to extract.

According to one Another preferred embodiment of the device of the invention For example, the device is a transmitter having a transmitting section that shapes and capable of generating signals in at least a second frequency range, which differs from the at least first frequency range, to send.

According to one Another preferred embodiment of the device of the invention the transmission section is further designed and able to switch off Extracting energy signals in the at least second frequency range.

According to one Another preferred embodiment of the device of the invention For example, the device has an antenna suitable for high-frequency identification (RFID) is suitable in the at least second frequency range, on.

According to one Another preferred embodiment of the device of the invention the device is a transceiver.

According to one Another preferred embodiment of the device of the invention the device is a clock.

One Advantage of this preferred development of the device of the invention is that, for example, a clock with the radiation of a Mobile telephones, a heavy-duty pole, a power line, a radio or television station, etc. can be loaded. The The invention also provides a transmitter that is designed and capable is to supply power signals in at least a first frequency range to send to different power supplies and devices to provide energy that has no or at least one same or different second frequency range different from the distinguishes at least a first frequency range, for use a transmission of signals.

One Advantage of the transmitter of the invention is that different Devices, such as small electrical consumers, for example via energizes a single signal at a given frequency can be. It follows that no different Signals but a signal for different devices, for example, different legal standards and national or international standards for energy supply is used and thus an electrosmog can be reduced.

In the dependent claims are advantageous developments and improvements of the transmitter specified in claim 13.

According to one preferred embodiment of the transmitter of the invention sends the transmitter temporary power supply signals.

One Advantage of this preferred embodiment of the transmitter of the invention is that energy is saved and an electric smog on is reduced.

The previously mentioned signals, received signals and Power supply signals are preferably electromagnetic signals.

Preferred embodiments of the present The present invention are explained in more detail below with reference to the accompanying drawings. Show it:

1 an embodiment according to the invention; and

2 a further embodiment according to the invention.

1 shows an embodiment according to the invention. A transceiver 10 or transponder has a control and processing circuit 11 , a capacitor 12 , a coil 13 and a dipole antenna 14 on. The control and processing circuit 11 preferably comprises a crossover, a rectifier, a demodulator for demodulating received signals, a microprocessor, a memory and a modulator for modulating data to be transmitted to a signal to be transmitted (all not shown).

The dipole antenna 14 is capable and arranged to receive signals in a first frequency range intended for receivers receiving signals, for example data signals, in the at least first frequency range. The at least first frequency range is preferably a frequency range for mobile radio systems such as the GSM or UMTS mobile radio system operating in a frequency range of 400 to 2000 MHz. The dipole antenna 14 Therefore, it is preferably a known antenna that is designed and capable of receiving and transmitting signals in a plurality of mobile radio frequency ranges. Such an antenna is for example in the international application with the publication number WO 2005/022685 A1 described. The at least first frequency range is alternatively or additionally has the frequency range of the radiation of a heavy current pole, a power line and / or a radio or television transmitter, an electrical device, etc.

The sink 13 serves as an antenna and is capable and arranged to receive and transmit data signals in at least a second frequency range and to receive power supply signals in the at least second frequency range. The at least second frequency range is different from the at least first frequency range and is preferably a frequency range for radio frequency identification (RFID) transceivers operating in a frequency range of 30 to 500 kHz, 3 to 30 MHz, 400 to 1000 MHz or 2 to 6 GHz , It should be noted that in RFID transceivers the data signals often correspond to the power supply signals.

The capacitor 12 is a storage for electrical energy and is preferably an electrolytic capacitor or other capacitor and, alternatively, an accumulator or other element for storing electrical energy.

The control and processing circuit 11 Serves through the coil 13 received power supply signals and through the dipole antenna 14 if necessary, frequency-divert received signals from other signals, and rectify the energy extracted from the power supply signals and signals in the capacitor 12 to store and charge control of the capacitor 12 perform. The control and processing circuit 11 It also serves to over the coil 13 demodulate, process and, where appropriate, modulate corresponding data to a response signal and this via the coil 13 to send.

During operation of the transceiver 10 Not only can energy be extracted from the data and / or power supply signals received in the second frequency range, but also from signals in other frequency ranges that are actually intended for other devices, such as mobile telephones, base stations of mobile radio systems, etc.

Instead of the coil 13 and / or the dipole antenna 14 In alternative embodiments of the invention, antennas of other types and geometry, such as multiple coil antennas, windings, poles, etc., are used. The performance and therefore design of an antenna is essentially determined by the ratio of a geometric dimension, such as length, diameter, etc., to the wavelength of the electromagnetic radiation used.

In a further alternative embodiment, the transceiver has 10 Further, a battery for additional power to the transceiver 10 on.

In a further alternative embodiment, the transceiver has 10 and a display (not shown) for displaying a radiation intensity of the signals received in the first frequency range.

2 shows a further embodiment according to the invention. A clock 25 has a capacitor 22 , a dipole antenna 24 , an input circuit 26 and a timer circuit 27 connected to the input circuit 26 over a connection 28 is connected. The input circuit 26 preferably comprises a rectifier and a controller (not shown).

The dipole antenna 24 is capable and arranged to receive signals in a first frequency range intended for receivers receiving signals, for example data signals, in the at least first frequency range. The at least first frequency range is preferably a frequency range for mobile radio systems such as the GSM or UMTS mobile radio system operating in a frequency range of 400 to 2000 MHz. The dipole antenna 24 Therefore, it is preferably a known antenna that is designed and capable of receiving and transmitting signals in a plurality of mobile radio frequency ranges. Such an antenna is for example in the international application with the publication number WO 2005/022685 A1 described. The at least first frequency range is alternatively or additionally has the frequency range of the radiation of a heavy current pole, a power line and / or a radio or television transmitter, an electrical device, etc.

The capacitor 22 is a storage for electrical energy and is preferably an electrolytic capacitor or other capacitor and, alternatively, an accumulator or other element for storing electrical energy.

The timer circuit 27 is preferably a module that is used in conventional clocks for time determination and time display.

The input circuit 26 The purpose of this is through the dipole antenna 24 rectified and the energy extracted from the signals in the capacitor 22 to store and charge control of the capacitor 22 perform. The input circuit 26 also serves to supply the timer 27 to control with energy.

When operating the clock 25 can be an energy from signals that are in the environment of the clock 25 used for data transmission, extracted to the clock 25 to supply energy completely or supplementally.

In a further alternative embodiment, the clock 25 Furthermore, a battery for powering the clock 25 on.

In a further alternative embodiment, the clock 25 and a display (not shown) for displaying a radiation intensity of the signals received in the first frequency range.

The clock 25 is preferably a wristwatch or other portable watch. The clock 25 alternatively is a clock with a receiver for a central time signal, such as a time signal from an atomic clock. For this purpose, the clock preferably has a further antenna, such as in 1 is shown.

Another embodiment of the invention is a transmitter that is configured and capable of transmitting power signals in at least a first frequency range to different power supplies and devices, such as the transceiver 10 from 1 and the clock 25 from 2 to power, optionally using at least a same or different second frequency range, which differs from the at least one first frequency range, for a transmission of signals. The power supply signals are sent by the transmitter intermittently, for example at certain time intervals, or permanently.

at further alternative embodiments of the invention The received and transmitted signals may be other electromagnetic Signals, such as optical signals and / or acoustic signals, etc., and the transmitters and receivers are optical and / or acoustic Receiver etc.

Even though the present invention above based on preferred embodiments is described, it is not limited thereto, but Modifiable in a variety of ways.

10

transceiver

11

Tax- and processing circuitry

12 22

capacitor

13

Kitchen sink

14 24

dipole antenna

25

Clock

26

input circuit

27

Timer circuit

28

connection

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• WO 2005/022685 A1 [0042, 0051]

Claims (15)

Power supply for a device ( 10 ; 25 ), with a first receiving section ( 14 . 11 ; 24 . 26 ) configured and capable of receiving signals in at least a first frequency range intended for foreign receivers receiving signals in the at least first frequency range and of the signals for the apparatus ( 10 ; 25 ) To extract energy. Power supply according to claim 1, characterized in that the first receiving section ( 14 . 11 ; 24 . 26 ) an antenna ( 14 ; 24 ) suitable for mobile communication. Power supply according to claim 1 or 2, characterized in that the power supply is a capacitor ( 12 ; 22 ) or an accumulator. Power supply according to claim 1, 2 or 3, characterized characterized in that the power supply is an indicator for displaying a radiation intensity of the received signals. Contraption ( 10 ; 25 ) with a power supply according to one of the preceding claims. Contraption ( 10 ) according to claim 5, characterized in that the device is a receiver ( 10 ) with a second receiving section ( 13 . 11 ) configured and capable of receiving signals in at least a second frequency range different from the at least first frequency range. Contraption ( 10 ) according to claim 6, characterized in that the second receiving section ( 13 . 11 ) and is capable of extracting energy from the signals in the at least second frequency range. Contraption ( 10 ) according to claim 5, characterized in that the device is a transmitter ( 10 ) with a transmission section ( 13 . 11 ) configured and capable of transmitting signals in at least a second frequency range different from the at least first frequency range. Contraption ( 10 ) according to claim 8, characterized in that the transmitting section ( 13 . 11 ) and is capable of extracting energy from signals in the at least second frequency range. Contraption ( 10 ) according to one of claims 5 to 9, characterized in that the device ( 10 ) an antenna ( 13 ) suitable for radio frequency identification (RFID) in the at least second frequency range. Contraption ( 10 ) according to one of claims 5 to 10, characterized in that the device is a transceiver ( 10 ). Apparatus according to claim 5, characterized in that the device is a clock ( 25 ). Transmitter configured and capable of transmitting power supply signals in at least a first frequency range to supply different power supplies and devices ( 10 ; 25 ) according to one of the preceding claims to provide energy that no or at least a same or different second frequency range, which differs from the at least one first frequency range, use for a transmission of signals. Transmitter according to Claim 13, characterized that the transmitter temporarily transmits power supply signals. Power supply, device and transmitter after one of the preceding claims, characterized in that the signals, received signals and power supply signals electromagnetic Signals are.