Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7786892 | Method for interpretation of a radio-electrical command A method for the interpretation of a radio-lectrical command for equipment in which the command is interpreted as a function of the emission zone is provided. This is achieved whereby the electromagnetic characteristics of the field generated by the radio-electrical... | 08/31/2010 |
| 7359363 | Reduced power auto-configuration An auto-configuration algorithm for establishing a wireless connection between an access point (AP) and a wireless station includes reducing the power that the AP transmits or broadcasts configuration setting information, resulting in possible reception of the confi... | 04/15/2008 |
| 7204622 | Methods and systems for illuminating environments Provided herein are methods and systems for illuminating environments, including aircraft environments. The methods and systems include facilities for providing both white and non-white illumination, with color and color temperature control, in programmed response t... | 04/17/2007 |
| 6967573 | Transmitter and a method for transmitting data A transmitter or a method for transmitting data from a first antenna imposes a low level phase modulation, for example of less than 90°, on a carrier signal in accordance with a data signal to create a modulated signal, preferably having a carrier frequency and sid... | 11/22/2005 |
| 6784785 | Duplex transmission in an electromagnetic transponder system A method of transmission between two elements chosen from a terminal and a transponder, each element including an oscillating circuit, a modulator and a demodulator, including simultaneously performing a transmission in amplitude modulation of a signal transmitted f... | 08/31/2004 |
| 5939997 | Detection method of bus termination A system for detecting whether a bus used to connect units in an in-flight entertainment system is properly terminated. A detection circuit generates a bus termination signal when a terminating cap properly terminates the bus. Prior to installation of the... | 08/17/1999 |
| 5715414 | Four-value data wireless signal receiver A pager is provided with a differentiator circuit and an integrator or a comparator circuit. The differentiator circuit turns received four-value analog signals into signal level variations. In a construction with an integrator circuit, the signal level v... | 02/03/1998 |
| 5712630 | High power moving object identification system A moving object identification system with a novel coding scheme achieves 75% transmission efficiency. With this system, a transmittable range is expanded. Logical value assignment for residual resonant oscillations in a residual resonant signal is perfor... | 01/27/1998 |
| 5646609 | Circuit and method for selecting a circuit module A circuit (20) and a method for selecting a circuit module (MN) from a plurality of circuit modules (M0 -MN) coupled to a common bus (23). The circuit (20) includes a plurality of resistor divider networks (RD0 ... | 07/08/1997 |
| 5583493 | Process and apparatus for the remote polling of measuring points A process and a device for the remote interrogation of measuring points is offered that form at least one group belonging together spatially and that supply electric measuring signals that are supplied separately to a central evaluation station. The disti... | 12/10/1996 |
| 5541584 | Remote control for a ceiling fan A remote control for operating a combination ceiling fan and light fixture features a system for communicating command signals to a fan mounted controls over an existing load line. A remote control features two switches for control of a ceiling fan and as... | 07/30/1996 |
| 5486824 | Data processor with a hardware keyscan circuit, hardware keyscan circuit, and method therefor A data processor (50) includes a hardware keyscan circuit (54) to interface to an external keypad matrix (80). In one embodiment, the data processor (50) has a first register (62) for driving data to rows of the keypad matrix (80), and a second register (... | 01/23/1996 |
| 5486843 | Signal level indicator and associated method A signal level indicator (204, 304) displays the magnitude of an input signal (421) by illuminating each of a number of five LEDs (314-318, 414-418) for an individual period of time. The number of LEDs to be illuminated and the individual period of time t... | 01/23/1996 |
| 5450068 | Infrared remote control for soil compacting devices An infrared remote-controlled soil compacting device is controlled such that the device cannot be set into operation as long as the operator with the sending unit is within close vicinity of the soil compacting device so that an accidental operation or pr... | 09/12/1995 |
| 5150112 | Interface for use between two communication units An interface for use between a first communication unit having a two-wire connection and a second communication unit having a single-wire connection includes a comparator (IC1) having a fixed potential (V.sub.(-)) at its inverting input and having its out... | 09/22/1992 |
| 4939511 | DC bus for discrete signals A DC bus circuit is disclosed for coupling multiple discrete signals from multiple discrete signal sources with multiple receivers remote from the signal sources. Each multiple signal source has two discrete positions or levels, such as opened or closed, ... | 07/03/1990 |
| 4875040 | Device for remote control of electrical apparatus A device has a communication line leading to a control desk and a power supply connected to the communication line. Connected to the power supply are two circuits each comprising a unit for testing the communication line for condition and a current amplif... | 10/17/1989 |
| 4783658 | Method and system for detecting encoded radio signals A method for detecting an encoded radio signal involves comparing the received signal amplitude with a predetermined threshold amplitude. The difference between the received signal-component amplitude and the noise-component amplitude is derived and used ... | 11/08/1988 |
| 4752927 | Synchronous changeover A synchronous changeover device detects both peak amplitude and pulse width, automatically switching between sets of signals without a noticeable glitch when a fault is detected. The signals of each set are peak detected and combined so that if any signal... | 06/21/1988 |
| 4721953 | Remote control system Remote-control system comprising a main unit and, connected at a distance via a pair of conductors to the main unit, an operating unit which comprises a series circuit of a number of diodes connected between the conductors of the conductor pair, a number ... | 01/26/1988 |
| 4695840 | Remote switch position determination using duty cycle modulation A system for determining the position of a plurality of remotely located switches having a binary weighted current controlling means connected to each switch for providing a waveform having a unique duty cycle corresponding to the position of each of the ... | 09/22/1987 |
| 4675672 | Control system for enabling a plurality of different functions A control system is provided for selectively generating one of a plurality of control signals with each signal corresponding to a particular predesignated function of a system such as a video camera system. Such a video camera system includes a plurality ... | 06/23/1987 |
| 4658150 | Impedance discriminator responsive to operation of switches mounted on a steering wheel Apparatus for effecting the impedance discrimination for use in an automobile comprises a plurality of switches (11-14) mounted on a steering wheel, and a plurality of first impedance elements (15-17) for providing a different impedance in response to the... | 04/14/1987 |
| 4575707 | Waiting time display system A waiting time display system comprises a plurality of remote stations each including a waiting time display unit comprising a display portion for producing a visual display corresponding to waiting time and a control unit comprising control means selecti... | 03/11/1986 |
| 4570160 | Signal encoding and decoding system for driving a remote display A system is provided for transmitting data from at least one control position to at least one remote display position over a plurality of transmission lines coupled between the control position and the display position. These transmission lines include a ... | 02/11/1986 |
| 4570163 | Video camera control system A control system is provided for selectively generating one of a plurality of control signals with each signal corresponding to a particular predesignated function of a system such as a video camera system. Such a video camera system includes a plurality ... | 02/11/1986 |
| 4560984 | Method and apparatus for detecting the collision of data packets Method and apparatus for detecting when a collision occurs between two or more binary data signal packets at a single binary data signal receiver. Whenever a packet is transmitted, a large signal impulse is substituted for the initial bit of the packet. T... | 12/24/1985 |
| 4554542 | Guard tone capture method A decoder for receiving and decoding a coded signal includes a particular frequency fo with a first and second amplitude. The first amplitude of the frequency fo is associated with the end of a first coded message while the second am... | 11/19/1985 |
| 4531126 | Method and device for analyzing a very high frequency radiation beam of electromagnetic waves The invention refers to the analysis of a very high frequency radiation beam of electromagnetic waves. According to the invention, a network of conductor wires is placed in the path of a beam to be analyzed, the wires being interrupted at intervals by swi... | 07/23/1985 |
| 4453088 | Multiplex system for steering wheel mounted switches A multiplex system is disclosed in which a plurality of auxiliary switches are mounted on a vehicle steering wheel and are selectively actuable to transmit predefined current levels through the horn relay circuit. The respective current levels are decoded... | 06/05/1984 |
| 4441098 | Multiposition switch with minimum interconnections A frequency synthesized transceiver capable of tuning to a plurality of communication channels is disclosed. The transceiver includes a receiver section and a transmitter section which are coupled to the synthesizer which generates the appropriate injecti... | 04/03/1984 |
| 4430576 | Remote load selector circuit and method A method and circuit for controlling the selection of remote electrical loads. An illustrated embodiment of the remote load selector circuit is depicted in conjunction with an electric ceiling fan and is utilized to select rotation direction, light operat... | 02/07/1984 |
| 4367470 | Door operation control apparatus A main control circuit for controlling a door open-close drive motor and a lamp illuminating the interior of a garage is disposed in a body of a door operation control apparatus, and an interface circuit for applying control command signals to the main co... | 01/04/1983 |
| 4340824 | Auxiliary steering wheel command system This invention relates to the use of a multiplexing technique to allow for the unambiguous enabling of remotely located receiving devices. In particular, a plurality of pushbutton switches, each capable of controlling a distinct function, has a common nod... | 07/20/1982 |
| 4327356 | Arrangement for monitoring the performance of a digital transmission system A monitor for monitoring the performance of a digital transmission system has three level sensors for sensing at decision instants the level of a signal derived from a transmitted signal. A first of the level sensors has its threshold set at a level corre... | 04/27/1982 |
| 4323895 | Display device for dashboard of automobile A display device, e.g. for dashboard of automobile, of the type having indicator lights, e.g. electroluminescent diodes driven by power conductors, including n parallel power conductors, with n any whole number at least equal to two, between which, with t... | 04/06/1982 |
| 4322718 | Sound-activated rotary device There is disclosed herein a sound-activated device which is adapted to operate rotary loads, such as a turntable, a circular display, a suspended mobile and/or a fan. The device includes a power supply, an electric motor connected to the power supply and ... | 03/30/1982 |
| 4264890 | Blinking signal-light system, especially for a series of emergency-phone stations distributed along the length of a highway, or the like A succession of emergency-phone stations distributed along the length of a communications cable laid alongside a highway is powered from a remote central station. The phone stations are provided with lamps to form a blinking-lamp signalling system warning... | 04/28/1981 |
| 4152696 | Multi-function control circuit A control system capable of selectively providing one of a plurality of control signals with each signal corresponding to a particular predesignated function. The output signals from the control system are generated in response to constant voltage input s... | 05/01/1979 |
| 4135144 | Traffic light radio control system A radio transmitter activated traffic signal control including a radio transmitter carried in the emergency vehicle and activated to transmit a signal to the traffic signal lights at each intersection approached by the emergency vehicle which in turn acti... | 01/16/1979 |
