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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 8339278 | Electronic system with AC-DC convertor controlled by received signal and AC-DC adaptor An electronic system includes: an AC-DC converter to convert an AC voltage into a DC voltage and to supply the DC voltage to a secondary battery; a first detector to detect a remaining amount of the secondary battery; a transmitter to transmit a signal corresponding... | 12/25/2012 |
| 8175187 | Wireless communication apparatus for suppressing interference while reducing transmission delay A wireless communication apparatus for performing communication using a first communication scheme which transmits a signal using amplitude shift keying and a second communication scheme which suppresses communication with others except a communication counterpart b... | 05/08/2012 |
| 8085069 | Starting apparatus and starting method A starting apparatus includes: a storage unit storing an identifier; a rectifying unit rectifying a reception signal; a generating unit comparing the reception signal rectified in the rectifying unit to a reference signal and generating a digital signal from the rec... | 12/27/2011 |
| 8085000 | Charger including a bias voltage applied to a rectifier to rectify received radio waves based on rectifier output voltage A charger includes: a rectifier to rectify a received radio wave to generate a charging current; a potential generator to generate a bias voltage setting an operating point of the rectifier; and a controller to supply the bias voltage generated by the potential gene... | 12/27/2011 |
| 8064547 | Receiving apparatus and method A receiving apparatus includes a unit detecting a specific-bit sequence included in a data sequence, a unit counting, as a count value n1, a first number of oscillations during a 1-bit-wide period of a first bit of the specific-bit sequence, and to count,... | 11/22/2011 |
| 8060038 | Radio transmitter using Cartesian loop A radio transmitter including a combiner which combines input I/Q signals with feedback I/Q signals, a power amplifier which amplifies the quadrature modulated signal, a detector which detects amplitude and phase differences between the input and feedback I/Q signal... | 11/15/2011 |
| 7911281 | PLL circuit and radio communication apparatus A PLL circuit includes: a voltage-controlled oscillator including: a first oscillating portion configured to generate first differential signals; and a second oscillating portion configured to generate second differential signals with a phase difference of 90 degree... | 03/22/2011 |
| 7904121 | Generating device of trigger signal A trigger signal generating device includes a first power source terminal and a second power source terminal; a first current generator to generate a first current with a first amplitude in accordance with the amplitude of the input signal; a second current generato... | 03/08/2011 |
| 7876162 | Amplifier and radio An amplifier includes: a substrate; first to fourth amplifying units arranged on the substrate and each having first and second terminals, and each amplifying first and second signals to generate first and second amplified signals; a first inductive line arranged on... | 01/25/2011 |
| 7746120 | Voltage to current converter A signal receiving device includes: a first conversion unit comprising a first input terminal to which a signal including a voltage signal and a reference voltage is inputted, and a first output terminal which output a first current signal voltage-current converted ... | 06/29/2010 |
| 7663420 | MOS resistance controlling device and MOS attenuator A MOS resistance controlling device includes: a plurality of MOS transistors having a first MOS transistor to N-th (the integer N is larger than 1) MOS transistor being serially connected, the source of the first MOS transistor being set to a first reference potenti... | 02/16/2010 |
| 7590400 | Radio apparatus In a radio apparatus, the band of a loop filter of a synthesizer in a blank channel searching state is narrower than the band in a communicating state. In addition, a radio wave environment is measured. A characteristic necessary for the radio apparatus is determine... | 09/15/2009 |
| 7501892 | Amplifier circuit and communication device An amplifier circuit according to the present invention comprises: a first differential amplifier circuit including a first transistor having a gate terminal forming a first input node, a second transistor having a gate terminal forming a second input node and havin... | 03/10/2009 |
| 7184738 | Radio apparatus In a radio apparatus, the band of a loop filter of a synthesizer in a blank channel searching state is narrower than the band in a communicating state. In addition, a radio wave environment is measured. A characteristic necessary for the radio apparatus is determine... | 02/27/2007 |
| 7123061 | Frequency converter having low supply voltage A frequency converter converts a first current signal having a first frequency into a second current signal having a second frequency different from the first frequency. The frequency converter includes an adder and a switching circuit. The adder adds the first curr... | 10/17/2006 |
| 7088980 | Frequency converter with nonlinear distortion cancellation A frequency converter comprises a first mixer which frequency-converts an input signal with a first conversion gain in accordance with a local signal, a second mixer which frequency-converts the input signal with a second conversion gain lower than the first convers... | 08/08/2006 |
| 7075345 | Frequency converter having low supply voltage A frequency converter converts a first current signal having a first frequency into a second current signal having a second frequency different fro the first frequency. The frequency converter includes an adder and a switching circuit. The adder adds the first curre... | 07/11/2006 |
| 7065334 | Variable gain amplifier device A variable gain amplifier device controlled by a first gain control signal comprises a gain controlled amplifier having a gain and including a differential pair of first and second MOS type transistors configured to operate in a weak inversion region; and a control ... | 06/20/2006 |
| 7031684 | Variable gain amplifier device A variable gain amplifier device controlled by a first gain control signal comprises a gain controlled amplifier having a gain and including a differential pair of first and second MOS type transistors configured to operate in a weak inversion region; and a control ... | 04/18/2006 |
| 6990326 | Image suppression filter circuit An image suppression filter circuit comprises a first phase shifter outputting a first output signal and a second output signal substantially orthogonal thereto, a second phase shifter outputting a third output signal and a fourth output signal orthogonal to the thi... | 01/24/2006 |
| 6954089 | Frequency converter having low supply voltage A frequency converter configured to convert a first current signal having a first frequency into a second current signal having a second frequency different from the first frequency is disclosed, which comprises an adder configured to add the first current signal an... | 10/11/2005 |
| 6946895 | Mixer device including an amplifier circuit An amplifier circuit comprises a differential amplifier configured by a differential pair of transistors, a common emitter amplifier connected in parallel to the differential amplifier and configured by a pair of common-emitter configuration transistors, input and o... | 09/20/2005 |
| 6940339 | Mobility proportion current generator, and bias generator and amplifier using the same A mobility proportion current generator comprises a voltage adder including a first MOS transistor, the voltage adder adding a voltage whose temperature dependency is small with respect to the mobility and a threshold voltage of the first MOS transistor to output a ... | 09/06/2005 |
| 6885239 | Mobility proportion current generator, and bias generator and amplifier using the same A mobility proportion current generator comprises a voltage adder including a first MOS transistor, the voltage adder adding a voltage whose temperature dependency is small with respect to the mobility and a threshold voltage of the first MOS transistor to output a ... | 04/26/2005 |
| 6844782 | Temperature compensation circuit and a variable gain amplification circuit A temperature compensation circuit comprises a signal source to output a first signal corresponding to a temperature change of an ambient temperature to a predetermined temperature, and a multiplier to multiply an external gain control signal and the first signal an... | 01/18/2005 |
| 6816712 | Radio apparatus In a radio apparatus, the band of a loop filter of a synthesizer in a blank channel searching state is narrower than the band in a communicating state. In addition, a radio wave environment is measured. A characteristic necessary for the radio apparatus is determine... | 11/09/2004 |
| 6768379 | Amplifier circuit An amplifier circuit comprises a differential amplifier configured by a differential pair of transistors, a common emitter amplifier connected in parallel to the differential amplifier and configured by a pair of common-emitter configuration transistors, input and o... | 07/27/2004 |
| 6563383 | Variable gain circuit A variable gain circuit includes a variable gain amplifier which receives an input signal, outputs an amplified signal, and includes a first field-effect transistor, a gain control signal compensation circuit which outputs a gain control signal for contro... | 05/13/2003 |
| 6477360 | Frequency converter A frequency converter includes a multiplying circuit, a load circuit, and an output buffer circuit. The multiplying circuit is arranged to multiply an RF signal and an LO signal and output a difference frequency signal with a frequency, which is the diffe... | 11/05/2002 |
| 6339711 | Radio apparatus In a radio apparatus, the band of a loop filter of a synthesizer in a blank channel searching state is narrower than the band in a communicating state. In addition, a radio wave environment is measured. A characteristic necessary for the radio apparatus i... | 01/15/2002 |
| 6249249 | Active array antenna system An active array antenna system comprises a plurality of element antennas and radio frequency circuits connected to the element antennas. The radio frequency circuits comprises first frequency converters provided to correspond to the element antenna and co... | 06/19/2001 |
| 6215989 | Variable gain circuit The variable gain circuit comprises a gain control signal correction circuit which corrects a gain control signal Vx to obtain a corrected gain control signal Vy and a variable gain amplifier which controls the gain in accordance with the corrected gain c... | 04/10/2001 |
| 6148181 | Radio apparatus adapted to remove image components from local oscillating signals A radio apparatus comprises a local oscillation signal generator which includes a first local oscillation unit for generating a first local oscillation signal having a frequency fLO1 to be divided into third and fourth local oscillation signals... | 11/14/2000 |
| 6100731 | Frequency multiplier A frequency multiplier comprises a phase shifter having a differentiator and an integrator each including a series circuit of a resistor and a capacitor, a frequency converter for performing a frequency conversion on the basis of the output signal from th... | 08/08/2000 |
| 5995819 | Frequency converter and radio receiver using same A frequency converter includes: a signal synthesizer element for inputting first and second input signals to synthesize these signals and for outputting a synthesized signal, from which noises even times as large as the frequency of the second input signa... | 11/30/1999 |
| 5872475 | Variable attenuator A variable attenuator is provided with a plurality of amplifiers each comprising an emitter grounded or common source amplifier circuit. The amplifiers have different emitter degeneration impedances. One of the amplifiers is selected in accordance with a ... | 02/16/1999 |
| 5796286 | Attenuation circuitry using gate current control of FET conduction to vary attenuation A GaAs MESFET that turns on and off to control the gain is connected to an attenuation circuit composed of a plurality of resistors connected between the input and output terminals and a reference potential terminal. By injecting a specific amount of curr... | 08/18/1998 |
| 5742189 | Frequency conversion circuit and radio communication apparatus with the same A frequency conversion apparatus comprising a sampling circuit for receiving a first intermediate frequency signal extracted from an input signal and having a predetermined intermediate frequency and a predetermined band width and sampling the first inter... | 04/21/1998 |
| 5736840 | Phase shifter and communication system using the phase shifter A local signal of a predetermined frequency is supplied to an input terminal of a local signal input section. The local signal is applied to a control input terminal of a variable current supply and, in accordance with the local signal, a current is outpu... | 04/07/1998 |
| 5650714 | Orthogonal signal generation system A local signal of preset frequency is supplied to an input terminal of a signal input section. The local signal is supplied to a control input terminal of a variable current source, a current corresponding to the local signal is output from the variable c... | 07/22/1997 |
