British merchant Peter Durand invented the tin can in 1810.
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| Number | Title | Issue Date |
| 4790002 | Telephone device and method for operating a telephone device A telephone terminal or a combined telephone-dictation terminal is disclosed. Such telephone apparatus includes a handset having a microphone and a speaker together with a speakerphone having a microphone and a speaker. Such telephone apparatus also inclu... | 12/06/1988 |
| 4758913 | Method and apparatus for preventing ambiguity in displaying the number of a recorded message that has been reached A method and apparatus for indicating the number of the particular message that has been reached on a bi-directionally movable record medium used with a record/playback device. A position count is incremented and decremented as the record medium moves in ... | 07/19/1988 |
| 4722077 | Transcription control over plural interconnected modules Dictate/transcribe apparatus in which plural modules, each including at least two record/playback decks, are interconnected. A switch in each module selects one or the other or neither of the decks therein to operate in a transcribe mode; and a transducer... | 01/26/1988 |
| 4692825 | One-way clutch assembly with pawl and ratchet A one way clutch assembly, including a frame, a bearing member having a vertical, central bore therein fixedly secured to the frame, a pulley rotatably mounted on the bearng member, a vertical, drive spindle rotatably mounted within the bearing member cen... | 09/08/1987 |
| 4688117 | Display including variable mode for a record and/or playback device A variable mode numerical display for a record/playback device normally displays a numerical count representing the present position of the record medium used with that device and is operable to interrupt this normal display so as to display the number of... | 08/18/1987 |
| 4686587 | Record and/or playback device with cue signal indication and access A record and/or playback device whose operating mode is controlled by processor apparatus which is responsive to the selected operation of various operating control switches. The processor apparatus includes a sensor for sensing when the device is in an i... | 08/11/1987 |
| 4677501 | Method and apparatus for displaying indications of instructions in previously recorded messages A storage medium in which previously recorded messages are stored is scanned for instruction signals representing the occurrences of instructions in those messages. Following the aforementioned scanning, if a message in condition to be played back include... | 06/30/1987 |
| 4663680 | Mounting frame for microcassette changer Changer apparatus of the type having an input hopper for storing fresh record cartridges, an ouput hopper for storing used record cartridges, a recording deck for recording and for playing back messages on the record cartridges and a mechanism for transpo... | 05/05/1987 |
| 4658097 | Remote terminal for use with central dictation apparatus A remote terminal for connection to telephone lines to enable an operator thereat to communicate with dictation apparatus. The remote terminal includes a power supply which receives the DC power normally applied to the telephone line to derive energizing ... | 04/14/1987 |
| 4636888 | Changer apparatus with movable means for withdrawing recording media from an input hopper to a recording deck to an output hopper Changer apparatus of the type having an input hopper for storing a plurality of recording media and an output hopper for storing recording media that have had messages recorded thereon by a recording deck. A movable withdrawing element withdraws a recordi... | 01/13/1987 |
| 4623988 | Apparatus for monitoring and displaying activity of an information processing system Apparatus for monitoring and displaying the activity of an information processing system, such as a central dictation system, having plural recorders, plural originating stations for supplying information jobs to be recorded on the recorders, and recovery... | 11/18/1986 |
| 4621350 | Recording and dictation system Apparatus for connecting at least one recovery station to preselected ones of plural recorders in an information processing system to recover information jobs from those recorders. Indications of those preselected recorders to which the recovery station i... | 11/04/1986 |
| 4621349 | Microcassette changer and printer apparatus Printer apparatus for use with a dictation system including a changer device having an input stack, a recording deck for recording dictated messages, and an output stack for storing recording media onto which dictated messages have been recorded. The chan... | 11/04/1986 |
| 4547821 | Head support and positioning assembly for record/playback device Apparatus is provided for supporting and positioning a record/playback transducer with respect to a record medium in a record and/or playback device. The transducer is supported on a mounting plate which is guided for bi-directional sliding movement to po... | 10/15/1985 |
| 4476510 | Tape cassette A thumb-sized tape cassette having a rectangular housing with top, bottom, front, back and side walls. The front wall is provided with a center opening and side openings disposed on opposite sides of the center opening. A tape member, which runs between s... | 10/09/1984 |
| 4443827 | Tape cassette A thumb-sized tape casette having a rectangular housing with top, bottom and peripheral walls and supply and take-up reels within the housing. A tape member runs between the reels and extends to a tape run parallel to and behind the front peripheral wall.... | 04/17/1984 |
| 4410923 | Display apparatus for recording and/or playback device Display apparatus is provided for a recording and/or playback device of the type having a movable record medium upon which cue signals may be recorded to indicate an end of "letter", an "instruction" or the like. A linear array of light indicating element... | 10/18/1983 |
| 4378577 | Method and apparatus for recording and detecting indicating signals in a recording and/or reproducing device To record an indicating signal on a record medium, the actuation of a cue signal recording switch is detected, and then the count of a cue signal cycle counter is sensed to determine if it has reached a preselected count. This counter is incremented by on... | 03/29/1983 |
| 4328397 | Method and apparatus for controlling predetermined machine conditions, such as the operating conditions of a dictation/transcription machine A machine, such as a dictation/transcription machine, is provided with a processor that is programmed to cycle through a set of instructions for selecting and controlling predetermined operating conditions. The actuation of one of a number of selector swi... | 05/04/1982 |
| 4319091 | Dial pulse restorer A dial pulse restorer for receiving and restoring telephone dial pulses which may be distorted, and also for discriminating telephone-hang-up pulses which may be applied to a telephone line when a remote telephone coupled to the telephone line hangs up. A... | 03/09/1982 |
| 4319337 | Apparatus for displaying the status of individual dictated messages in a central dictation system In a central dictation system of the type having a plurality of recorders, a plurality of dictate stations are adapted to seize individual ones of the recorders, and a plurality of transcribe stations assignable to transcribe the dictated messages, a disp... | 03/09/1982 |
| 4309571 | Telephone-adapter apparatus for a dictation unit Apparatus is provided for operating a dictation unit as a telephone-answering device. The dictation unit has a movable record medium upon which an announce message is recorded at a predetermined portion. Switching circuitry is selectively operable to cond... | 01/05/1982 |
| 4200893 | Instruction indicating apparatus for a record and/or playback device Apparatus for displaying the relative locations of particular information recorded on a movable record medium, such as a magnetic tape, the particular information being represented by a predetermined signal. Electronic pulses are generated corresponding t... | 04/29/1980 |
| 4188507 | Remotely controlled telephone answering apparatus Telephone answering apparatus adapted to be coupled to a telephone line and having a first storage medium, such as a first magnetic tape, for storing announcement information and remote telephone number information, and a second storage medium, such as a ... | 02/12/1980 |
| 4099209 | Electronic control system for multiple cassette record and/or playback apparatus An electronic control system for controlling the sequential operations in a multiple cassette record and/or playback apparatus of the type having a supply of tape cassettes, a motor-driven conveyor for conveying individual cassettes from the supply to a r... | 07/04/1978 |
| 4092232 | H2 S Direct gas sensor A combined specific ion and reference electrode structure having an air gap, gas permeable membrane and in which the active, conducting solution has a surface tension and boiling point which are great enough that with equal ambient pressures on both sides... | 05/30/1978 |
| 4092679 | Apparatus for variably selecting the capacity of a recording medium in a recording system Apparatus is provided for use in a recording system wherein messages are recorded on a recording medium of fixed length, to variably select the recording capacity of the medium. Signals, which are produced when messages are recorded, are counted to accumu... | 05/30/1978 |
| 4092680 | Apparatus for indicating the farthest advance position of a bi-directionally movable medium Apparatus for indicating the farthest advance position of a bi-directionally movable medium is provided with a pulse generator mechanically coupled to the medium to generate pulses corresponding to incremental movements of the medium in either a first or ... | 05/30/1978 |
| 4092685 | Cassette changer apparatus having priority eject A cassette changer apparatus for use in a multiple cassette record and/or playback system. An input supply of magnetic tape cassettes is spaced from an output store, with a record/playback station disposed intermediate the input supply and output store. A... | 05/30/1978 |
| 4089489 | Braking apparatus for a web transport system Braking apparatus for a web transport system to move a web between rotary members wherein at least one motor is provided for moving the rotary members to drive the web. One of the rotary members is coupled to and drives a first mechanism; and another mova... | 05/16/1978 |
| 4079200 | Apparatus for recording replies to pre-recorded messages Magnetic recording/playback apparatus for playing back pre-recorded messages and for recording replies to such messages, finding particular application as an unattended telephone message recording device. Successive ones of the pre-recorded messages are s... | 03/14/1978 |
| 4071857 | Cassette changer apparatus A cassette changer apparatus for use in a multiple cassette record and/or playback system. An input magazine stores a stack of cassettes, preferably in a vertical stack, each cassette housing magnetic tape therein. An output magazine is spaced from the in... | 01/31/1978 |
| 4068021 | Method of making gas analyzing element A catalytic combustion-type, gas sensing, resistive element and the method of making it by forming an electrical conductor, whose electrical resistance varies with temperature, into a helical coil, coating the coil with a refractory material whose coating... | 01/10/1978 |
| 4061292 | Bi-directional rotary drive mechanism Apparatus for selectively imparting rotary motion to two spaced apart rotary members which may be used in a web or tape transport mechanism to bi-directionally transport a web or tape. In a preferred embodiment, this apparatus is used as a tape transport ... | 12/06/1977 |
| 4056835 | Head support and eject mechanism for recording and/or playback apparatus Head support apparatus for a recording and/or playback apparatus including a pivotable support member upon which the head is mounted. The support member is pivotally coupled to a pivot rod and pivots in a plane substantially normal to the movement of tape... | 11/01/1977 |
| 4056722 | Shaft position sensor Shaft position sensing apparatus includes a group of generally parallel vanes extending generally longitudinally of the shaft axis, means for mounting the vanes in that relationship and attaching them to the shaft for rotation with the shaft, a light sour... | 11/01/1977 |
| 4051540 | Instruction indicating apparatus for a record and/or playback device Apparatus for indicating the location of particular information, such as instructions, represented by predetermined signals previously recorded on a record medium. An array of light emitting sources is selectively energized to indicate the position of the... | 09/27/1977 |
| 4041890 | Indexing apparatus for a record and/or playback device Indexing apparatus for indicating the amount of information recorded on or transcribed from a record medium. A non-linear index scale having, for example, time markings thereon, is moved into view concurrently with the rewind movement of the record medium... | 08/16/1977 |
| 4041249 | Central dictation system with privacy signal used for transcribing scanning A central dictation system including a plurality of remote dictate stations, a plurality of record/reproduce stations and a plurality of transcribing stations operatively connected to respective ones of the record/reproduce stations. Any one of the remote... | 08/09/1977 |
| 4017692 | Telephone call-diverter system A telephone call-diverter system for interconnecting an incoming telephone line to an outgoing telephone line so that an incoming telephone call can be transferred to a predetermined remote telephone station. A DC conducting channel is established between... | 04/12/1977 |