摘要:
An apparatus for serial transmission of data over a transmission path in a vehicle uses spread-spectrum modulation to enhance the electromagnetic compatibility with other electrical and electronic components in the vehicle. The apparatus includes a transmitter that subjects a clock signal having a predetermined frequency and phase to spread-spectrum modulation by wobbling a first clock signal within a predetermined frequency range. The serial data signal is transmitted synchronously with the wobbled first clock signal. The apparatus includes a receiver that uses a blind-oversampling clock and data retrieving unit (CDR unit) to receive the serial data signal. The receiver also generates multiple second clock signals. The CDR unit uses a predetermined algorithm to output the best-suited one of several oversampled serial data signals synchronously with a selected one of the second clock signals. A corresponding method is disclosed for serial transmission of data using spread-spectrum modulation to enhance electromagnetic compatibility.
摘要:
A system synthesizes a remote controlled clock across data transmission through a digital multimedia link. A clock is generated at the receiver side that is exactly synchronous to a master clock at the transmitter side. The system includes a clock encoder on the transmitter side, a synchronous serial data transmission system, and a clock decoder on the receiver side. The clock encoder and decoder include counters that count up until predetermined numbers are exceeded and wrap around when those predetermined numbers are exceeded. A clock synthesizer in the clock decoder generates the remote controlled clock. A controller in the clock decoder processes remote and local time stamps and generates control signals that control the clock synthesizer such that the remote controlled clock has the same frequency and the same number of transitions as the master clock received by the clock encoder.
摘要:
A serial data frame has a payload data frame and a synchronization frame. In addition to transmitting payload data in the payload data frame, payload data is also transmitted in the synchronization frame. Special bit patterns are transmitted in the synchronization frame at predetermined times. The synchronization of the transmission of the serial data frame is performed by indicating the sequence of the bit patterns and their position in the synchronization frame to both the transmitter and the receiver of the serial data frame. Furthermore, payload data is masked using a logical operation so that a maximum permitted length of consecutive bits of the same value is avoided.
摘要:
A system for reducing the bandwidth of a data stream transmitted via a digital multimedia link does not result in the loss of data. The system encodes control signals such that control words are generated each time the status of the control signals change. The system multiplexes payload data and the control words to generate the data stream. If no blanking period of the payload data is present, the data stream comprises payload data. During the blanking period, the data stream comprises the control words. The data stream is transmitted across the digital multimedia link using transmit and receive FIFO memories. The transmitted data stream is then demultiplexed, and the payload data and the control words are separated from each other. The control words are decoded to recover the control signals. The system can transmit payload data conforming to the video formats VGA, SVGA, XGA, SXGA and UXGA.
摘要:
A system for reducing the bandwidth of a data stream transmitted via a digital multimedia link does not result in the loss of data. The system encodes control signals such that control words are generated each time the status of the control signals change. The system multiplexes payload data and the control words to generate the data stream. If no blanking period of the payload data is present, the data stream comprises payload data. During the blanking period, the data stream comprises the control words. The data stream is transmitted across the digital multimedia link using transmit and receive FIFO memories. The transmitted data stream is then demultiplexed, and the payload data and the control words are separated from each other. The control words are decoded to recover the control signals. The system can transmit payload data conforming to the video formats VGA, SVGA, XGA, SXGA and UXGA.
摘要:
Embodiments of systems and methods for the sending, delivery and receiving of faxes are disclosed herein. In particular, certain embodiments include a fax connector that may be deployed at a user's site, and a faxing system that may be deployed remotely from the user's site. The fax connector can be accessed at the user's site over a computer based network in order to perform functions associated with faxing, including sending, receiving and obtaining status on faxes. The fax connector deployed at the user's site communicates with the remotely deployed faxing system to send, receive, obtain status on, or perform other functions associated with, faxing.
摘要:
In embodiments disclosed herein disclose methods and systems for providing a multitenant facsimile server. The computer instructions may be executable to maintain a set of entity information, wherein the entity information defines a plurality of tenants, and maintain a database configured to store transmitted and received fax documents corresponding to a plurality of tenants. The computer instructions may be further executable to receive a facsimile document at the fax server, wherein the facsimile document comprises one of a document to be transmitted or a received fax. The computer instructions may be further executable to identify a tenant associated with the document based on an identifier. Further, the computer instructions may be executable to store the document in the database, wherein the document is associated with the tenant in the database.
摘要:
A facility for managing a document conversion environment is described. In various embodiments, the facility includes a native application associated with a native document type and an isolation service. The isolation service determines whether a native application associated with the native document type has started and when it has not started, starts the native application and causes the started native application to load and convert a native document to a common document format, wherein the isolation service starts a single instance of the native application and monitors the single instance of the native application so that it complies with specified a parameter, condition, or setting of operation.
摘要:
A process for preparing sulfonated arylphosphines by reaction of arylphosphines with oleum, wherein, after reaction of the arylphosphines with oleum, the sulfonation mixture is firstly diluted with water, an inert gas stream is then passed through the diluted sulfonation mixture until SO2 is no longer liberated from the diluted sulfonation mixture and the latter is then worked up further in a customary manner and its use.
摘要:
A piezoelectric flexural transducer having an elongated support body (2), that on at least one longitudinal side is provided with a piezoelectric multi-layer body (6). In the interior of the support body (2) and/or between the support body (2) and the piezoelectric multi-layer body (6) and/or between neighboring piezoelectric material layers of the piezoelectric multi-layer body (6) at least one component (24 and 32) of an electronic (23) and/or sensor (33) system is accommodated employed for the operation of the piezoelectric flexural transducer.