Moisture resistant cable
What is claimed is: 1. A moisture resistant electrical cable comprising: a cable core including a conductor and a body of insulating material surrounding said conductor, and a composite cable jacket s... Read More
Inventors: Bahder, George;, Assignee: |
Four-channel stereophonic reproducing system for reproducing discrete four-channel stereophonic discs
What we claim is: 1. A four-channel stereophonic reproducing system for reproducing first, second, third and fourth audio signals from a first stereophonic composite signal consisting of a main channe... Read More
Inventors: Sugimoto, Yukio; Okamasa, Makoto; Fukumura, Toyoshi;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JA) |
Mixer circuit arrangement
It is an object of the present invention to provide a novel mixer circuit arrangement employing a distributed constant circuit using a microwave strip line. It is another object of the present inventi... Read More
Inventors: Shinkawa, Keiro; Shoyama, Hiroji; Sodeyama, Chuichi;, Assignee: Hitachi, Ltd. (JP) |
Device for reducing tire/road surface noise
The present invention is primarily characterized by providing a motorized vehicle with resonators connected to the inner wall of the wheel well. The present invention encompasses three variants of thi... Read More
Inventors: Dodt, Thomas; Gauterin, Frank; Schulze, Thomas; Roik, Geert; Huinink, Heinrich;, Assignee: Continental Aktiengesellschaft (Hanover, DE) |
Sound reproducing array processor system
To overcome the limitations in the references described above, and to overcome other limitations that will become apparent upon reading and understanding the present specification, the present inventi... Read More
Inventors: Taylor, Stephen Francis;, Assignee: Taylor Group of Companies, Inc. (Santa Monica, CA) |
Noise suppressing apparatus capable of preventing deterioration in high frequency signal characteristic after noise suppression and in balanced signal transmitting system
A noise suppressor for use in a signal transmission system of balanced type, of the present invention has: signal detecting means for detecting signals on signal lines, sum signal generating means for... Read More
Inventors: Kane, Joji; Nohara, Akira;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Segmented shielding structure for connector panels
It is an object of the invention to provide a relatively wide area EMI shielding seal or gasket that has a high shielding efficiency and is easy and inexpensive to manufacture and use. It is also an o... Read More
Inventors: Miska, Stanley R.;, Assignee: Schlegel Corporation (Rochester, NY) |
Crystal filter structure
When building crystal filter structures, like other electronic components, miniaturization and rational manufacturing procedures are sought. At the same time the greatest possible distance between the... Read More
Inventors: Augst, Horst G.;, Assignee: Telefonaktiebolaget L M Ericsson (Stockholm, SE) |
Channel selector
What is claimed is: 1. A channel selector comprising: a phase locked loop (PLL) frequency synthesizer which synthesizes a local oscillation frequency corresponding to a closely determined frequency to... Read More
Inventors: Sakamoto, Yoichi;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Fast settling phase locked loop
We claim: 1. A phase locked loop comprising: a voltage controlled oscillator (VCO) having a control input for receiving a drive voltage and an output, wherein the VCO produces a signal on the output h... Read More
Inventors: Maddy, Steven L.; Paterson, Graeme S.;, Assignee: SpectraLink Corporation (Boulder, CO) |
Electronic timepiece having a main oscillator circuitry and secondary oscillator circuitry
Generally speaking, in accordance with the instant invention, an electronic timepiece having a main oscillator circuit including a first time standard and a secondary oscillator circuit having a secon... Read More
Inventors: Akahane, Yoshikazu;, Assignee: Kabushiki Kaisha Suwa Seikosha (Tokyo, JP) |
Atomic or molecular beam frequency standard with optical pumping and open resonator
Having described the invention I claim: 1. An atomic (molecular) resonance apparatus, particularly for the generation of a standard frequency, including: a source capable of generating a slow atomic b... Read More
Inventors: DeMarchi, Andrea;, Assignee: |
Low-voltage, temperature compensated constant current and voltage reference circuit
Therefore, a general purpose of the present invention is to provide temperature compensated voltage and current level reference circuit capable of operating from low supply voltages. This is achieved ... Read More
Inventors: Rosenthal, Bruce D.;, Assignee: Teledyne Industries, Inc. (Mountain View, CA) |
Low voltage VCO temperature compensation
OF THE PREFERRED EMBODIMENT FIG. 1 includes a compensation circuit 10 and a voltage-controlled oscillator (VCO) circuit. The VCO circuit includes an LC tank circuit 20 coupled to a VCO amplifier 30 s... Read More
Inventors: Suter, Richard R.;, Assignee: AT&E Corporation (San Francisco, CA) |
Temperature-compensated ring oscillator circuit formed on a semiconductor substrate
One object of the present invention is to compensate change of the oscillation frequency of a ring oscillator circuit caused by change of ambient temperature. Another object of the present invention i... Read More
Inventors: Hayashi, Isamu; Kondoh, Harufusa;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
High resolution phase to sine amplitude conversion
OF A PREFERRED EMBODIMENT The present invention produces high accuracy sine amplitude data in a Direct Digital Synthesizer (DDS) circuit for conversion to a high resolution analog waveform. The high ... Read More
Inventors: Weaver, Jr., Lindsay A.; Kerr, Richard J.;, Assignee: Qualcomm, Inc. (San Diego, CA) |
Microwave oscillator with temperature compensation
In view of the foregoing discussion, an object of this invention is to provide a lower-cost scheme for achieving temperature compensation in a microwave oscillator. According to a preferred embodiment... Read More
Inventors: Dipoala, William S.;, Assignee: Detection Systems, Inc. (Fairport, NY) |
Dielectric waveguide
According to this invention, there is provided a dielectric waveguide comprising two flat conductive plates arranged in parallel with each other, a dielectric medium between the two conductive plates,... Read More
Inventors: Yoneyama, Tsukasa;, Assignee: Seki & Company, Ltd. (Tokyo, JP) |
Nonradiative dielectric waveguide and manufacturing method thereof
Accordingly, an essential object of the present invention is to provide a nonradiative dielectric waveguide which is high in reliability and superior in transmission characteristics, and which can be ... Read More
Inventors: Ishikawa, Youhei; Nishida, Hiroshi; Saito, Atsushi;, Assignee: Murata Manufacturing Co., Ltd. (JP) |
Alignment method
It is accordingly a primary object of the present invention to provide a solution obviating the inconveniences described above. It is another object of the present invention to provide an alignment me... Read More
Inventors: Hamasaki, Bunei; Utamura, Shinji; Nakai, Akiya;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Automatic alignment system
It is an object of the present invention to provide an improved electro-optical alignment system which does not suffer from the limitations and disadvantages of prior art electro-optical alignment sys... Read More
Inventors: Westell, William E.;, Assignee: Baird Corporation (Bedford, MA) |
Telephone conference system with active analog conference
We claim as our invention: 1. A telephone conference system comprising a telephone conference bridge for coupling multiple conference ports, said bridge comprising means for summing incoming signals f... Read More
Inventors: Hashemi, Mike A.; Pucci, Gregory P.;, Assignee: Wescom, Inc. (Downers Grove, IL) |
Method of dimension measurement for a pattern formed by exposure apparatus, and method for setting exposure conditions and for inspecting exposure precision
An object of the present invention is to provide a method for setting the optimum exposure conditions for the exposure apparatus, with a high precision and within a short time. Another object of the p... Read More
Inventors: Suwa, Kyoichi; Hirukawa, Shigeru; Tateno, Hiroki;, Assignee: Nikon Corporation (Tokyo, JP) |
Exposure-scanning device
The object of the present invention is to provide an exposure-scanning device in which a mirror or the other elements mounted on a scanning member can perform a stable scanning operation by maintainin... Read More
Inventors: Okubo, Kenzo; Akura, Kazuya;, Assignee: Mita Industrial Co., Ltd. (Osaka, JP) |
Speaker enclosure
What I claim is: 1. An improved speaker enclosure comprising: a tubular shaped enclosure body, insulating means disposed within said enclosure, conventional speaker coupled across and adjacent one end... Read More
Inventors: Siebert, Curt August;, Assignee: |
Multiple quadrature-phase amplitude modulating system capable of reducing a peak amplitude
What is claimed is: 1. A multiple quadrature-phase amplitude modulating system for modulating a pair of quadrature-phase carrier signals by a first and a second input digital signal into a multiple qu... Read More
Inventors: Uchibori, Junichi; Koizumi, Yutaka; Ryu, Toshihiko;, Assignee: NEC Corporation (JP) |
Method and circuitry for controlling the intermediate frequency of an FM receiver to lessen phase distortion
OF PREFERRED EMBODIMENT Reference should be made to the drawing where like reference numerals refer to like parts. Referring to FIG. 1, 1 is an antenna, 2 is a high frequency amplification stage, 3 i... Read More
Inventors: Kaneda, Ryoichi;, Assignee: Trio Kabushiki Kaisha (Tokyo, JP) |
Replica circuit
OF THE EMBODIMENTS OF THE INVENTION In FIG. 2 the current in the high-voltage capacitor Ch passes through a ratio winding N1 of a current comparator B that also has a second ratio winding N2, a compe... Read More
Inventors: So, Eddy;, Assignee: Canadian Patents and Development Limited-Societe Canadienne des Brevets (Ottawa, CA) |
Quadrature signal generator having digitally-controlled phase and amplitude correction
According to the present invention, an accurate and stable quadrature signal generator is provided comprising a frequency synthesizer for receiving an input signal and generating an output signal havi... Read More
Inventors: Masheff, Michael S.; Sanders, David E.;, Assignee: E-Systems, Inc. (Dallas, TX) |
Amplifier comprising means for eliminating direct voltage transients on the amplifier output
What is claimed is: 1. An amplifier capable of eliminating direct voltage transients at the amplifier output when the amplifier power supply is switched on comprising, a voltage source coupled to a po... Read More
Inventors: Gottlieb, Detlef; Nolde, Wolfgang;, Assignee: U.S. Philips Corporation (New York, NY) |
Audio Signal Processing 
