Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 5247513 | Multiple path self-routing switching network for switching asynchronous time-division multiplex packets with availability signalling A novel packet-oriented multiple path self-routing switching network for switching asynchronous time-division multiplexed packets is characterized in that each switch unit of at least one upstream stage of the switching network includes means for defining... | 09/21/1993 |
| 5237565 | Multiple path, self-routing switching network for switching asynchronous time division multiplex cells A multiple path, self-routing switching network for switching asynchronous time division multiplex data cells includes input ports (pi1, pi64 . . . ), output ports (po1, po64 . . . ) and switching elements (TSi1, TSi16 . . . ) arranged in a number of stag... | 08/17/1993 |
| 5218170 | Elongate body insulated by means of an insulating covering An elongate body insulated by means of an insulating covering, said covering being constituted by a tape (2) made of synthetic material taped around said body (1) and covered in a layer of varnish (11) made of synthetic material, the body being characteri... | 06/08/1993 |
| 5215939 | Method of manufacturing a planar buried heterojunction laser In a method of manufacturing a planar buried heterojunction laser, after etching to delimit a laser stripe in relief on a substrate, lateral layers to surround the stripe are formed by a non-selective growth method not only at the sides of the stripe but ... | 06/01/1993 |
| 5214723 | Electro-optic device including a waveguide An electro-optic device incorporating a waveguide includes a locating electrode formed on a plate for locating an electrical phenomenon in a waveguide carried by the plate. The electrode comprises two juxtaposed flat surfaces, namely a locating surface re... | 05/25/1993 |
| 5214639 | Communication switching element and method for transmitting variable length cells The switching element is used for transferring, between X inputs (I1-IX) and Y outputs (O1-OY), cells divided into subcells of which only the first contains information about the destination output(s) of the cell. This switching element includes: a buffer... | 05/25/1993 |
| 5210743 | Switching element with multiple operating modes and switching network incorporating a plurality of such switching elements, in particular for switching asynchronous time-division multiplex packets A switching element with a plurality of operating modes, in particular for switching asynchronous time-division multiplexed packets, comprises inputs, outputs, a selective retransmission device for retransmitting a packet received on one input to one or m... | 05/11/1993 |
| 5210742 | Communication process and switching element for carrying out this process Communication system and switching element used therein. To detect and remove partly established paths, a path release explorer packet is periodically transmitted from an outside node on established paths and each time it arrives in a node a check is made... | 05/11/1993 |
| 5208718 | Protection circuit A protection circuit for protecting circuit elements (TX) connected to line via terminal means (L1 and L2) from the effects of a transient abnormal high voltage surge, comprising a semiconductor switch (TR1 and TR2), a first circuit comprising a resistor ... | 05/04/1993 |
| 5206780 | Cable termination The invention relates to high voltage surge arrestors which are installed in parallel with an electric apparatus to be protected from excessive high voltages, such as a high voltage power cable or a transformer. The arrestor consists of one or more annula... | 04/27/1993 |
| 5204845 | Clock synchronization A method of adjusting the pulse rate of a local clock (1) by generating a first pulse train at a first predetermined rate, dividing the pulse train by a divisor (3) to produce a second pulse train. The value of the divisor (3) is selected (4,5,6) so that ... | 04/20/1993 |
| 5202885 | ATM exchange with copying capability In practice, switching is a continuously changing mixture of point-to-point connections, point-to-multipoint connections with low fanout, and point-to-multipoint connections with high fanout. The switching elements of a switch optimized for point-to-point... | 04/13/1993 |
| 5191629 | Laser module There is no problem to excite the fundamental mode in a single-mode optical waveguide, if a laser is used whose operating wavelength is above the cutoff wavelength of the guide. However, these lasers are presently very expensive. Especially for the use in... | 03/02/1993 |
| 5187486 | Method of and apparatus for automatically calibrating a phased-array antenna Landing aids using phased-array antennas must be very carefully calibrated. Conventional methods use probes which are inserted into each individual radiating element of the array antenna. For 6-bit phase shifters, this method is not suficiently accurate. ... | 02/16/1993 |
| 5182569 | Antenna having a circularly symmetrical reflector A microwave antenna has a circularly symmetrical reflector made of a material having a liquid phase and a solid phase, with the reflector being obtained by centrifuging the material while in its liquid phase and then allowing it to pass into its solid pha... | 01/26/1993 |
| 5177748 | In phase coupled strip waveguide CO2 laser An in-phase coupled strip linear CO2 waveguide laser includes an upper aluminum plate and an aluminum waveguide bed including parallel ridges, each in the range of about 2 to about 5 mm wide, at a gap of about 0.5 to 2 mm from the upper plate. ... | 01/05/1993 |
| 5175777 | Optical Switching matrix including plural wavelength converting devices Switches (multiplexers, demultiplexers, data switches) are provided for optical signal transmission, by which two or more data streams are combined or separated or by which combined data streams are switched. Instead of buffering as in time-division multi... | 12/29/1992 |
| 5173897 | Method of restoring the correct cell sequence, particularly in an ATM exchange, and output unit therefor To be able to load an ATM switching network as efficiently as possible, the successive cells of one and the same connection are routed to the output by as many different paths as possible; however, mutual overtaking of successive cells must be avoided or ... | 12/22/1992 |
| 5167399 | Method of manufacturing an overhead electrical power transmission line, and equipment for implementing the method The method is implemented on the site where the cable is to be installed on pylons, and consists in taking wire strands from individual reels to make up a bundle, and in clamping the bundle together to obtain the cable as and when the cable is required fo... | 12/01/1992 |
| 5166819 | Front end for a broadband optical receiver A front end for a broadband optical receiver is disclosed which includes a monolithic integrated Darlington circuit with bipolar transistors (T1, T2). This Darlington circuit is a simple integrated amplifier (OP) developed for UHF application in the range... | 11/24/1992 |
| 5157715 | Call status recognition in a broadband private automatic branch exchange In a broadband private automatic branch exchange (BB-PABX) in which a plurality of broadband terminals (BB-E1, . . . , BB-E26) are connected to a broadband switching array (BB-V) to switch video and data signals, the current call status of the system must... | 10/20/1992 |
| 5155592 | Image processing system An image signal (V1) is transform coded in a Discrete cosine Transform Coder (DCT) and the output coefficients thus provided are encoded in a zonal encoder (QZ). The output of QZ is inversely coded (IQZ) and substracted from the coefficients of the DCT. T... | 10/13/1992 |
| 5155232 | Organic material for non-linear optics An organic material for non-linear optics comprising: an electron donor group constituted by a heteroaromatic cycle; an electron attractor group selected from NO2 and CN; and an electron effect transmitter group selected from an aromatic system of the ph... | 10/13/1992 |
| 5153536 | Suppressed carrier modulator formed from two partial modulators each including a phase delay path A modulator suitable for 16 quadrature amplitude modulation (QAM) is designed as a double modulator (1), wherein a 16 QAM modulator (39) consists of two double modulators (1). One double modulator (1) has two partial modulators (1',1") forming a bridge. E... | 10/06/1992 |
| 5148025 | In situ composition analysis during growth vapor deposition The composition of material being grown by vapor deposition may be analyzed in situ by applying a beam of electrons, from a source such as a RHEED gun, incident at a low angle to the material being grown. The energy levels in the reflected beam may be ana... | 09/15/1992 |
