| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Plunger-operated alarm switch assembly | US513362 | 1995-08-10 | US5656982A | 1997-08-12 | Jon E. Kurahara |
| A plunger-operated alarm switch assembly (10) provides without visual inspection thereof an indication of whether a barrier (14) is in a secure position or whether the alarm switch assembly has been tampered with. A preferred embodiment includes a plunger housing (18) that is matable to a switch plate (20). The plunger housing supports a movable plunger (22) having a permanent magnet (24) that produces a magnetic field (26). The switch plate supports a magnetically actuatable reed switch (28) positioned in a predetermined relative alignment to a guide path (32) of the plunger when the plunger housing and the switch plate are matably fitted together. The plunger is movable relative to the plunger housing between alarm and secure positions so that whenever the plunger is in the alarm position, the reed switch provides an alarm switching condition; whenever the plunger is in the secure position, the reed switch provides a secure switching position; and whenever the predetermined relative alignment of the reed switch and the guide path of the plunger changes, the reed switch provides the alarm switching condition. | ||||||
| 62 | Key switch | US469264 | 1983-02-24 | US4453148A | 1984-06-05 | Georgy G. Norakidze; Ramaz M. Sakandelidze; Eduard K. Sitnikov; Otar K. Khomeriki |
| The key switch comprises a housing with at least one permanent magnet accommodated therein, the magnet being rigidly connected with the key and adapted to act, when the key is displaced, onto a switching member secured in the housing. Mounted in the housing intermediate the key and the magnet are means for retaining the key in its initial position, including a plate of a ferromagnetic material. The housing further accommodates the means for returning the key into the initial position, including at least one plate of a ferromagnetic material, arranged in the direction of the motion of the key with a gap relative to the permanent magnet and defining with the plate of the key-retaining means a magnetic circuit. The length of this at least one plate of the means for returning the key in the direction of the motion of the key is short of the sum of the value of the maximum displacement of the key and the extent of the permanent magnet in this direction. | ||||||
| 63 | Plunger operated magnetic contact switch assembly | US207263 | 1980-11-17 | US4336518A | 1982-06-22 | Thomas J. Holce; Charles M. Huckins |
| A switch assembly which has an actuating magnet, held in one of a plurality of intersecting cavities within a reciprocally movable plunger, and a magnetic reed switch located alongside one another within a switch housing. With the actuating magnet in one position in the plunger the magnetic reed switch contacts remain normally open when the plunger is extended. With the actuating magnet in another cavity in the plunger, the magnetic reed switch contacts remain normally closed when the plunger is extended. The switch housing comprises a barrel including a cavity for receiving the magnetic switch and a guide cavity for receiving a plunger spring and guiding the reciprocal movement of the plunger. A cap of the housing retains a cylindrical roller against the plunger, and permits the roller to move reciprocally between an extended position projecting above the outer surface of the cap and a depressed position, moving the plunger and the actuating magnet carried in the plunger to change the state of the magnetic reed switch. | ||||||
| 64 | Control push-button device for switching an electronic or electric circuit | US872460 | 1978-01-25 | US4303856A | 1981-12-01 | Edouard Serras-Paulet |
| Push-button movable in a casing for switching an electric circuit and comprising magnetic return means and contact elements carried by the casing, said contact elements being electric or electronic components adapted to pass individually from a first conducting state to a second conducting state when the push-button is moved from a first position to a second position within the casing. | ||||||
| 65 | Magnet-controlled switch | US907965 | 1978-05-22 | US4211991A | 1980-07-08 | Claude Lombard; Guy Viala |
| Magnet-controlled switch comprising in a case at least one flexible-strip interruptor (FSI) placed between two magnetic plates, one being movable with respect to the other under the action of a manipulatable element, and at least one permanent magnet near each end of the FSI, in such a manner that the magnets exhibit poles of opposite polarities and produce a magnetic field perpendicular to the plates. | ||||||
| 66 | Pushbutton for solid state wristwatch | US48133174 | 1974-06-20 | US3921108A | 1975-11-18 | O'CONNOR ARTHUR H |
| Disclosed is an improved push button assembly for thedemand switch of a wristwatch having a light emitting diode display. A permanent magnet is mounted inside the pushbutton on a curved leaf spring which forms the return spring for the button. When the button is depressed the spring is deformed moving the permanent magnet close to a reed switch inside the watch case. In this position, the polarization of the magnet is parallel to the reed switch contacts.
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| 67 | Control unit for electronic systems | US3763451D | 1972-11-30 | US3763451A | 1973-10-02 | MORGOTT H; SCHMALZL D |
| A control unit for electronic systems adapted for several control functions by selectively exchanging individual parts in an otherwise standardized construction adapted to be manufactured and assembled according to mass-production techniques utilizing interchangeable prefabricated elements. A printed circuit conductor plate is mounted in a housing comprised of a pair of identical complementary half members. A slide member is operable reciprocably in the housing to operate a switch wheel arranged to be driven step-by-step to operate a magnetic shunt and affect inductive switching elements on the conductor plate. The unit is adapted to be plugged into a supporting receptacle on a control panel.
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| 68 | Switch for push key | US3718877D | 1971-09-16 | US3718877A | 1973-02-27 | MATSUSHIMA A |
| A switch for a push key of a calculator or the like comprising, a switch case with built-in members and a cover. Hooks projecting downwardly from the cover engage with edges of an upper flange of the switch case and the extreme ends of said hooks fit into positioning holes bored in a supporting plate on the calculator. This enables the key-top to be mounted at a desired position.
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| 69 | Phase modulating device | US3718871D | 1971-07-23 | US3718871A | 1973-02-27 | KAWAMOTO K |
| A phase modulating device for an electronic musical instrument has at least one phase shifting means essentially composed of at least one resistive branch and at least one reactive branch. The resistive branch has a resistive element and a switching means connected in series. The switching means is turned on and off alternatively by an actuating means at a frequency higher than twice that of an input signal to be modulated. The ratio of an on-period plus an off-period to the on-period changes according to a modulating signal generated by a modulating signal source. The phase characteristic of the device is changed in response to the modulating signal by the switching means actuated by the actuating means in order that the input signal be phase modulated.
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| 70 | Pushbutton switch and assembly | US3652964D | 1971-01-15 | US3652964A | 1972-03-28 | CHAMBERLAIN HAROLD B |
| A push button switch having a spring biased slidably movable actuator is provided with a magnetically actuated reed switch of the sealed enclosure type. A permanent magnet is mounted in a cylindrical block rotatably mounted about its periphery in a cylindrical bearing in a fixed block adjacent the actuating slide. The magnet is rotated by a pin on the cylindrical block seated in a lateral slot in the slide. The switch is of a modular design and a plurality of the switches may be physically interlocked and mounted to constitute a keyboard assembly. The switch housings can accommodate integrated circuit components to incorporate features of a full circuit assembly.
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| 71 | Miniature pushbutton dry reed switch | US3613038D | 1970-03-02 | US3613038A | 1971-10-12 | BELL RICHARD E |
| A precision-type snap switch embodying a reed-type switch providing sealed contacts, and a printed circuit board supporting the reed-type switch and conductively connecting selectively the sealed contacts to exposed switch terminals.
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| 72 | Pushbutton magnetic reed switch | US3579159D | 1968-05-03 | US3579159A | 1971-05-18 | POSEY WILLIAM T |
| A novel reed switch assembly provided with a ceramic bar magnet as the switch actuating means is disclosed. The structure of the novel reed switch is characterized by the arrangement of the ceramic bar magnet with an iron backing plate.
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| 73 | Keyboard with reed contacts | US3533029D | 1967-08-16 | US3533029A | 1970-10-06 | STEINBACH HEINZ; ZERFASS ANDREAS; WESSEL GERHARD |
| 74 | Electric key switching unit | US3533028D | 1968-09-06 | US3533028A | 1970-10-06 | BERG NEPHI EDWARD |
| 75 | Pushbutton mechanism | US3519766D | 1968-02-23 | US3519766A | 1970-07-07 | MACKWAY HAROLD J |
| 76 | Magnetic keyboard switch | US3488613D | 1968-10-30 | US3488613A | 1970-01-06 | MARCHETTI RICHARD J |
| 77 | Pushbutton switch assembly | US3486145D | 1968-01-17 | US3486145A | 1969-12-23 | PAIGE WALTER GRIFFIN |
| 78 | Reed switch | US3483492D | 1968-02-16 | US3483492A | 1969-12-09 | MIRBETH HEINZ GEORG |
| 79 | Pushbutton assembly incorporating self-fastening elements | US3478186D | 1968-05-02 | US3478186A | 1969-11-11 | BAUER LUDWIG |
| 80 | Code character keyboard sender | US3457368D | 1965-11-15 | US3457368A | 1969-07-22 | HOUCKE GEORGE P |
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