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"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
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| Number | Title | Issue Date |
| 4045867 | Method for encapsulating electrical components In a method for encapsulating electrical components, especially capacitors, plastic moulds joined to a common trough-shaped pouring ingate are used. A liquid, hardenable plastics filling compound is poured into the moulds in excess under vacuum, and the p... | 09/06/1977 |
| 4035769 | Method and apparatus for recording a signature The pressure exerted while writing a signature is transduced to an electrical analog signal which is periodically converted to a binary coded number representing the average amplitude of the pressure between periodic samplings.... | 07/12/1977 |
| 4032380 | Method of joining of insulated high-voltage cables There is disclosed a method of insulating stripped conductor wire portions of a cable insulated with solid polymer material so that the insulation of the stripped wire portions is substantially equivalent to the insulation of the cable. According to this ... | 06/28/1977 |
| 4019431 | Method of dewatering sludge There is disclosed a method of dewatering sludge such as residuals in sewage discharge processing installations. The method provides that cakes are formed of the sludge. These cakes have initially a high water content and are of inhomogenous, loose consis... | 04/26/1977 |
| 4018993 | Telephone system comprising a satellite The invention relates to a telephone system comprising: a satellite arranged to relay a plurality of signalling channels and speech transmission channels; a plurality of earth stations having a plurality of line units each of which is connected to a subsc... | 04/19/1977 |
| 4014655 | Plant for continuous production of explosive containing explosive oil An explosive is produced in a continuous process made up of three stages. The first stage is mixing the solid ingredients of the explosive and transporting it to a mixing station. The second stage is emulsifying nitroglycerine and transporting it to the m... | 03/29/1977 |
| 4010421 | Synchronization method for the recovery of binary signals A synchronization method for the recovery, at the receiver side of an information transmission equipment, of bit timing information during the transmission of a binary signal which at the transmitter side of the equipment is converted into a multilever si... | 03/01/1977 |
| 4004398 | Equipment for packaging pulverized material A firm container is fed with a plastic material which surrounds the firm container along a portion of its length. The firm container has an open end which is closed off by a pair of welding jaws which welds the plastic material together and forms the bott... | 01/25/1977 |
| 3999086 | Drive circuit for a controllable electronic switching element, for example, a power transistor A drive circuit for a controllable electronic switching element, preferably a power transistor has two part circuits. One part circuit includes a first transistor and one primary half of a current transformer the secondary winding of which is connected to... | 12/21/1976 |
| 3997821 | Solid electrolytic capacitor with planar cathode lead The invention refers to a solid electrolytic capacitor, the anode and cathode leads of which are in known manner formed from a metal strip while the electrolytic capacitor per se comprises a metallic anode body which has a relatively large plane surface a... | 12/14/1976 |
| 3996567 | Apparatus for indicating abnormal program execution in a process controlling computer operating in real time on different priority levels Apparatus for indicating an abnormal program execution by a process controlling computer in, for example, a telecommunication system wherein the different programs, each consisting of one or more program sectors, are called for and executed within certain... | 12/07/1976 |
| 3993110 | Method of diffusing gas into a sealed vessel and a device for carrying out the method There is disclosed a method of diffusing gaseous medium such as tritium into a vessel such as a tube of an overvoltage protector. According to the method, a vessel such as a tube including a wall portion made of a material permitting diffusion of gas ther... | 11/23/1976 |
| 3993871 | Relay matrix for selector networks A relay matrix, especially a reed relay matrix for selectors in telephone exchanges, consists of a crossing point network, i.e. relays arranged in rows and columns constituting switching elements of speech paths, control unit and holding units common to s... | 11/23/1976 |
| 3993883 | Contact spring set The present invention relates to a contact spring set comprising contact springs and a lifting card, attached at the outer ends of the contact springs between an upper return spring and a lower return spring. In order to achieve a playless fixing of the l... | 11/23/1976 |
| 3992745 | Cleaning unit for internal mechanical cleaning of containers such as moulds Cleaning the inside of a receptacle such as a chill mould by brushing the inside of the mold is effected by moving one or more brushes up and down within the mold. Each brush is generally disc-shaped and the periphery is shaped in conformity with the shap... | 11/23/1976 |
| 3993404 | Self-threading motion picture projector There is disclosed a motion picture projector with self-threading mechanism with which has been combined automatic electric clutch and brake means for forward and reverse operations to permit the projector to be used in a search mode, an automatic film te... | 11/23/1976 |
| 3986120 | Telephone system comprising a satellite The invention relates to a telephone system comprising: a satellite arranged to relay a plurality of signalling channels and speech transmission channels; a plurality of earth stations having a plurality of line equipments each of which is connected to a ... | 10/12/1976 |
| 3984051 | Self-draining tank A tank for liquid drainable towards an outlet is disclosed which may be u in appliances where the action of gravity is neutralized such as in artificial satellites. The tank comprises a casing and inside said casing a porous retention material in contact... | 10/05/1976 |
| 3981711 | Lubricating swabbing means for glass container machine In a glass container making machine using a split face mold, means are provided for controllably diverting the parisons from the mouth of the mold to a waste glass collector when the mold is closed so that at the same time swabbing means lubricate the inn... | 09/21/1976 |
| 3982243 | Device for transmission of information from an information emitter to an information seeker A device for automatic transmission of information includes an information emitter and an information seeker wherein the information is transmitted from the emitter to the seeker in response to an interrogating signal from the information seeker. The emit... | 09/21/1976 |
| 3980837 | Apparatus for pulsing in telephone sets In a push button operated telephone set to be used in a telephone system designed for break/make impulsing an electronic circuit is used for converting the push button signals to break/make pulse trains. In order to supply power to the electronic circuit ... | 09/14/1976 |
| 3980277 | Device for fence consisting of a number of posts with electrically conducting conductors and a high tension unit There is disclosed an electrified fence for blocking the passage of animals. This fence comprises a plurality of posts, at least one of which includes a power supply. One or more conductor wires are connected to the power supply and strung from post to po... | 09/14/1976 |
| 3977554 | Child-proof closure device for a container having a threaded neck portion There is disclosed a child-proof closure device for a container such as a bottle having a threaded neck portion. This closure device comprises a closure cap which has on the outside of its side wall a row of teeth and a drive cap which has on the inside o... | 08/31/1976 |
| 3976972 | Prevention of non-allowed character combinations A method is disclosed to prevent the transmission of non-allowed character combinations of signal elements which have for example, a route administrating or a control function. In the sender a sequence of the information carrying signal elements is formed... | 08/24/1976 |
| 3976831 | Method for transmitting pictures at a picture telephone transmission having limited bandwidth The present invention relates to a method for transmitting stationary pictures via a picture telephone transmission having limited bandwidth. Both fields of the picture are in the transmitter side divided into a number of line groups. In the first field, ... | 08/24/1976 |
| 3975277 | Liquid composition for the treatment of waste materials A liquid composition comprising an emulsion of a vinyl plastic, an alkali acetate, an aluminum compound such as the fluoride, water glass, an alkali sulfate and an alkali thiosulfate is useful as a fire retarding agent for treating waste. Perchloric acid ... | 08/17/1976 |
| 3974447 | Pilot receiver A pilot receiver for level control in carrier frequency systems works with an intermediate frequency which is optimal from the viewpoint of the filter which is an integral part of the receiver and comprises in series connection, a phase-shift demodulator ... | 08/10/1976 |
| 3973736 | System for assorting solid waste material and preparation of same for recovery A device for recovering salvagable components from a mixture of compacted solid waste, especially municipal waste, which includes ferrous metals, non-ferrous metals such as aluminum, fibrous organic and inorganic materials. In this installation the solid ... | 08/10/1976 |
| 3973498 | Initiation device for explosive charge There is disclosed a spot welding device for spot welding metal parts by explosive force. The device comprises two plugs tightly fitted into a rigid tubular member and so spaced and shaped that a transverse substantially conical space is formed between th... | 08/10/1976 |
| 3974344 | Electronic speech circuit for a central battery telephone set An electronic speech circuit for a central battery telephone set in the form of a Wheatstone bridge has for one arm of the bridge the impedance of the incoming line to the set and for another arm an impedance mainly equal to the line impedance. The remain... | 08/10/1976 |
| 3973200 | Process for acknowledging calls in a system for wireless staff locators In a system for wireless staff location where non-coded acknowledgement signals are transmitted from a called staff locator to identify the staff locator from which the acknowledgement signal is sent which is characterized by the fact that the acknowledge... | 08/03/1976 |
| 3973192 | Device for providing an early detection of aerosol products of combustion of a polyvinyl chloride substance A device for providing an early detection of aerosol products of combustion originating at least partly from a polyvinyl chloride substance. It comprises an electric resistance body of magnesium having a very small thickness and being arranged to be expos... | 08/03/1976 |
| 3970896 | Vertical deflection circuit A vertical deflection circuit which vertically deflects the electron beam of a cathode ray tube in response to vertical synchronizing pulses comprises a vertical deflection coil having one end connected to a reference voltage source and the other end conn... | 07/20/1976 |
| 3970968 | Signal modulator apparatus Signal modulation apparatus includes a PIN diode network which is fed a carrier signal from a carrier signal source and a modulation signal from modulating current output terminal which receives a modulation current directly from a temperature-compensated... | 07/20/1976 |
| 3969175 | Method of making a heat transferable mold section A mold section is made by covering at least the surface of a cavity of a metallic substrate with a layer of plastic barrier material. A pattern is then placed on this so-covered surface. A compressive force and heat are applied to the metallic substrate a... | 07/13/1976 |
| 3969701 | Function block oriented SPC system In a SPC (Stored Program Controlled) system including function blocks of the controlled system proper and function blocks of the controlling computer, an improved function block orientation is introduced by providing each function block with its own progr... | 07/13/1976 |
| 3967248 | Arrangement for double-writing into a memory during data field relocation The present invention relates to an arrangement for writing identical data into a first and a second memory field in a real-time computer which, while in operation, performs relocation of data from the first memory field to the second wherein the data mem... | 06/29/1976 |
| 3963918 | Identification device for machine moulded products Apparatus for identifying which of a plurality of moulds moulded a particular container includes such moulded containers with coded combinations of lens members in their bottom, the lens members being illuminated to focus light to an optical system termin... | 06/15/1976 |
| 3963871 | Analysis device for establishing the binary value of asynchronous data signals The present invention relates to an analysis device, for use in a transit exchange for transmission of asynchronous data signals with known character structure and known nominal signalling rate. The character structure comprises a start pulse and a number... | 06/15/1976 |
| 3962636 | Device for converting an incoming analog signal into an outgoing PCM signal The invention relates to a device for converting an incoming analog signal into an outgoing PCM signal, comprising a Ɗ M-encoder in which a comparator circuit has a first and a second analog input of which the first analog input is arranged to be fed wit... | 06/08/1976 |
